{
 "title": "Naya Create hardware parts list, read from the FCC filings",
 "license": "CC BY 4.0 (Create-knowledge-base); the underlying facts come from public FCC records",
 "generated": "2026-09-23",
 "page": "https://create-collective.github.io/Create-knowledge-base/hardware/parts/",
 "scope": "Naya Create halves, Speedlink dongle, Naya Tune, Touch, Track, accessories; FCC IDs 2BQ4V0825CRL, 2BQ4V0825CRR, 2BQ4V0825DG",
 "notes": [
  "Every photographed unit is a pre-production sample received by the lab on 2025-06-20; no firmware version is printed in the filings; retail boards may differ.",
  "Serial-number fields, QR and 2D codes, lab sample tags and handwriting visible in the exhibits are not reproduced here; blur or crop them in any reused image.",
  "Grant dates and grant lines come from the FCC EAS record for grantee 2BQ4V (read 2026-09-23); ISED numbers from the ISED Radio Equipment List, company 34320.",
  "Rows measured on hardware read \"measured on one <unit>, <firmware>, <date>\". Rejected readings are not published.",
  "Module and cable photos are the same image files in both halves' filings (left page N = right page N-3 for modules, N-1 for cables): a CRL/CRR pair of citations is one photograph of one sample."
 ],
 "conventions": {
  "verdicts": {
   "confirmed": "reading and identity hold",
   "corrected": "a different or fuller value, given in the row",
   "unverifiable": "not legible or no identity; only what is legible is given",
   "refuted": "contradicted by the photos or report text; refuted readings are not published",
   "new (2026-09-23 exhibits)": "read from an exhibit obtained on 2026-09-23 in one extraction pass; not yet blind re-read"
  },
  "tags": {
   "DOC": "FCC exhibit, vendor manual, datasheet or marketing",
   "STATIC": "vendor binaries (NayaCore 6.11.0, NayaFlow 1.25.1)",
   "MEASURED": "observed on our hardware (date/firmware given)",
   "INFERRED": "our reasoning"
  },
  "source_shorthand": "'CRL IP3 p20 = CRR IP2 p17': FCC ID, exhibit, lab attachment page; module photos are shared between the two filings",
  "versions": "Pre-production samples received 2025-06-20; keyboard firmware seen on our boards 3.28.7, 3.35.4, 3.41.0; module firmware 2.1.2, 2.3.3 (the wire form adds a leading 0.)",
  "legibility": "[clear], [partial] or [illegible] after every marking; a 'candidate' is reasoning, never a part number",
  "image": "Relative path (from this file) to a scrubbed JPEG crop of an FCC exhibit photo: images/fcc/parts/<id>.jpg for a part crop, images/fcc/boards/<board>.jpg when the row has no crop of its own, images/fcc/batteries/<pack>.jpg for battery rows; null when there is nothing to photograph. image_source cites the exhibit photo the crop was cut from."
 },
 "exhibits": [
  {
   "code": "CRL IP1-IP7",
   "fcc_id": "2BQ4V0825CRL",
   "exhibit": "Internal Photos 1-7 ('PHOTOGRAPHS OF EUT', 48 pages, BTL project 2506C291)",
   "pages": "IP1 p1, p5-p12; IP2 p13-p18; IP3 p19-p22; IP4 p23-p28; IP5 p29-p34; IP6 p35-p41; IP7 p42-p48"
  },
  {
   "code": "CRL EP",
   "fcc_id": "2BQ4V0825CRL",
   "exhibit": "External Photos",
   "pages": "p2-p4"
  },
  {
   "code": "CRL BLE",
   "fcc_id": "2BQ4V0825CRL",
   "exhibit": "Test report BTL-FCCP-1-2506C291 R01",
   "pages": "report page"
  },
  {
   "code": "CRL SRD",
   "fcc_id": "2BQ4V0825CRL",
   "exhibit": "Test report BTL-FCCP-2-2506C291 R01 (2 Mbps)",
   "pages": "report page"
  },
  {
   "code": "CRL ANT",
   "fcc_id": "2BQ4V0825CRL",
   "exhibit": "Antenna specification, Boen RF0400A ver1.1",
   "pages": "PDF page"
  },
  {
   "code": "CRL UM1-UM3",
   "fcc_id": "2BQ4V0825CRL",
   "exhibit": "User Manual parts 1-3 (older, image-only)",
   "pages": "PDF page"
  },
  {
   "code": "CRR IP1-IP7",
   "fcc_id": "2BQ4V0825CRR",
   "exhibit": "Internal photos 01-07 (47 pages, BTL project 2506C430)",
   "pages": "IP1 p5-p12; IP2 p13-p17; IP3 p18-p21; IP4 p22-p27; IP5 p28-p34; IP6 p35-p41; IP7 p42-p47 (dongle p44-p47)"
  },
  {
   "code": "CRR EP",
   "fcc_id": "2BQ4V0825CRR",
   "exhibit": "External Photos",
   "pages": "p1 cover, p2-p4"
  },
  {
   "code": "CRR BLE / SRD / MPE",
   "fcc_id": "2BQ4V0825CRR",
   "exhibit": "Test reports BTL-FCCP-1/-2/-3-2506C430 R01",
   "pages": "report page"
  },
  {
   "code": "CRR ANT",
   "fcc_id": "2BQ4V0825CRR",
   "exhibit": "Antenna specification RF0400A ver1.1 (same content as CRL ANT)",
   "pages": "PDF page"
  },
  {
   "code": "CRR LBL",
   "fcc_id": "2BQ4V0825CRR",
   "exhibit": "'Create-R Engraving Reference Sheet' (label artwork)",
   "pages": "p1"
  },
  {
   "code": "CRR UM1-UM5",
   "fcc_id": "2BQ4V0825CRR",
   "exhibit": "User manual v1.0.6, parts 1-5 (native text)",
   "pages": "PDF page"
  },
  {
   "code": "DG IP",
   "fcc_id": "2BQ4V0825DG",
   "exhibit": "Internal photos (attachment p4-p5 of 5)",
   "pages": "p4, p5"
  },
  {
   "code": "DG RF",
   "fcc_id": "2BQ4V0825DG",
   "exhibit": "Test report BTL-FCCP-1-2506C290 R00",
   "pages": "report page"
  },
  {
   "code": "DG OTA",
   "fcc_id": "2BQ4V0825DG",
   "exhibit": "Antenna test report BTL-OTA-1-2506C290 R00 (Boen RF0401A)",
   "pages": "report page"
  },
  {
   "code": "CRL LLOC",
   "fcc_id": "2BQ4V0825CRL",
   "exhibit": "Label Location (p1 'Create-L Engraving Reference Sheet', p2 the right sheet)",
   "pages": "p1, p2"
  },
  {
   "code": "CRL MPE",
   "fcc_id": "2BQ4V0825CRL",
   "exhibit": "MPE report BTL-FCCP-3-2506C291 R00",
   "pages": "report page"
  },
  {
   "code": "CRL SETUP",
   "fcc_id": "2BQ4V0825CRL",
   "exhibit": "Test setup photos",
   "pages": "p1-p6"
  },
  {
   "code": "DG EP",
   "fcc_id": "2BQ4V0825DG",
   "exhibit": "External photos",
   "pages": "p1-p3"
  },
  {
   "code": "DG LBL",
   "fcc_id": "2BQ4V0825DG",
   "exhibit": "Label artwork",
   "pages": "p1"
  },
  {
   "code": "DG SAR / SAR-D",
   "fcc_id": "2BQ4V0825DG",
   "exhibit": "SAR report BTL-FCC SAR-1-2506C290 R00 and its Appendix D (set-up photographs)",
   "pages": "report page"
  },
  {
   "code": "DG SETUP",
   "fcc_id": "2BQ4V0825DG",
   "exhibit": "Test setup photos",
   "pages": "report page"
  },
  {
   "code": "CL",
   "fcc_id": "all three",
   "exhibit": "Confidentiality letters",
   "pages": "p1"
  }
 ],
 "sections": [
  {
   "key": "ids",
   "title": "Identifiers, grants and certification marks",
   "intro": "Both halves and the dongle. Label artwork: right half CRR LBL, left half CRL LLOC, dongle DG LBL. Rows LB-20 to LB-24 come from the exhibits obtained on 2026-09-23 (one extraction pass)."
  },
  {
   "key": "boards",
   "title": "PCB inventory: board names, revisions, silkscreens",
   "intro": "Every board whose name is legible in the filings. Rows here are not repeated in the per-board tables below. The right pogo board and the Tune T-shaped sub-board have no legible name and are in the Unconfirmed table."
  },
  {
   "key": "half-main",
   "title": "Keyboard half mainboard (`Create_L_KB_20250220_V13`, `Create_R_KB_20250221_V13`)",
   "intro": "Left and right are mirror designs; one row covers both boards unless it says otherwise. Photos: left CRL IP1 p7-p10, right CRR IP1 p6-p8 (the SoC and flash close-up is CRR IP1 p8, which is PDF page 4 of that file)."
  },
  {
   "key": "wing",
   "title": "Wing board (outer two key columns, `Create_L/R_Wing_20250206_V11`)",
   "intro": "Photos: left CRL IP1 p11-p12, right CRR IP1 p9."
  },
  {
   "key": "dock",
   "title": "Dock (thumb-key) board (`Create_L/R_Dock_20241120_V09`)",
   "intro": "Photos: left CRL IP2 p16 (and CRL IP1 p5, p7 at low resolution), right CRR IP1 p12."
  },
  {
   "key": "pogo",
   "title": "Module dock interface on the half (pogo board, contacts, bay)",
   "intro": "Photos: left CRL IP2 p15, CRL IP1 p5, p7; right CRR IP2 p13, CRR IP1 p5-p6; exterior CRL EP p2-p4, CRR EP p2-p4."
  },
  {
   "key": "half-mech",
   "title": "Half enclosure, switches, keycaps, mechanics",
   "intro": "Manual text is from user manual v1.0.6 (CRR UM1-UM5, native text layer) and the older CRL manual (image-only)."
  },
  {
   "key": "dongle",
   "title": "Speedlink dongle (`NAYA-100-1`, board `B0K17_Dongle_20241106_V01`)",
   "intro": "Photos: DG IP p4-p5 (board), DG EP p2-p3 (exterior) and the closed unit in CRR IP7 p44-p45."
  },
  {
   "key": "tune-mb",
   "title": "Naya Tune main board (ring PCB, `Tune_MB_20250227_V09`)",
   "intro": "One sample, photographed once: CRL p17-p26 = CRR p14-p23 (same JPEG files)."
  },
  {
   "key": "tune-x",
   "title": "Naya Tune touch/LED disc, dial, enclosure",
   "intro": "Same shared photos as the Tune main board."
  },
  {
   "key": "touch-mb",
   "title": "Naya Touch main board (`Touch_MB_20250227_V10`)",
   "intro": "One sample: CRL p27-p36 = CRR p24-p33 (same JPEG files)."
  },
  {
   "key": "touch-x",
   "title": "Naya Touch sensor board, pogo board, enclosure",
   "intro": "Same shared photos as the Touch main board."
  },
  {
   "key": "track-mb",
   "title": "Naya Track main board (ring PCB, `Track_MB_20250305_V13`)",
   "intro": "One sample: CRL p37-p46 = CRR p34-p43 (same JPEG files). IC close-ups are CRL IP7 p45-p46 = CRR IP7 p42-p43."
  },
  {
   "key": "track-x",
   "title": "Naya Track sensor boards, pogo board, interposer, motor, enclosure",
   "intro": "Same shared photos as the Track main board."
  },
  {
   "key": "battery",
   "title": "Batteries and power ratings (every half and every module)",
   "intro": "Cell labels read from photos; declared values from the test reports' EUT tables."
  },
  {
   "key": "acc",
   "title": "Accessories in the box",
   "intro": "Box list from user manual v1.0.6 (CRR UM1 p2, native text)."
  }
 ],
 "counts": {
  "main_rows": 222,
  "confirmed": 199,
  "corrected": 16,
  "new_2026_09_23": 7,
  "identified_part_numbers": 21,
  "boards": 20,
  "unconfirmed_readings": 47,
  "rejected_readings_total": 50,
  "open_questions": 26
 },
 "boards": [
  {
   "id": "HM-01",
   "board": "Left half mainboard",
   "name": "`Create_L_KB_20250220_V13`",
   "marking": "`Create_L_KB_20250220_V13` / `T=1.0MM`, circled `L`, on both faces [clear]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/half-mainboard-left-components.jpg"
  },
  {
   "id": "HM-02",
   "board": "Right half mainboard",
   "name": "`Create_R_KB_20250221_V13`",
   "marking": "`Create_R_KB_20250221_V13` / `T=1.0MM`, circled `R` [clear]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/half-mainboard-right.jpg"
  },
  {
   "id": "WG-01",
   "board": "Left wing board",
   "name": "`Create_L_Wing_20250206_V11`",
   "marking": "`Create_L_Wing_20250206_V11` / `T=1.0MM` [clear]; separate stamp `25 15` [clear]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/wing-board-left.jpg"
  },
  {
   "id": "WG-02",
   "board": "Right wing board",
   "name": "`Create_R_Wing_20250206_V11` (middle INFERRED)",
   "marking": "`Create_R` ... `0250206_V11`, `1.0MM`; `_Wing_2` hidden under a QR label; fiducial `MARK3` beside [partial]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/wing-board-right.jpg"
  },
  {
   "id": "DK-01",
   "board": "Left dock (thumb-key) board",
   "name": "`Create_L_Dock_20241120_V09`",
   "marking": "`Create_L_Dock_20241120_V09` / `T=1.0MM`, circled `L`, struck-through `Pb` (lead-free) circle [clear]",
   "verdict": "corrected",
   "image": "../images/fcc/boards/dock-board-left.jpg"
  },
  {
   "id": "DK-02",
   "board": "Right dock board",
   "name": "`Create_R_Dock_20241120_V09`",
   "marking": "`Create_R_Dock_20241120_V09` / `T=1.0MM`, circled `R`, `MARK5`, `MARK6`, Pb-free circle [clear]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/dock-board-right.jpg"
  },
  {
   "id": "PD-01",
   "board": "Left pogo board",
   "name": "`Create_L_PogoPin_20250109_V10`",
   "marking": "`Create_L_PogoPin` / `20250109_V10`, `T=0.6MM`, circled `L`, Pb-free circle, QR label [clear]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/pogo-board-left.jpg"
  },
  {
   "id": "DG-01",
   "board": "Dongle board",
   "name": "`B0K17_Dongle_20241106_V01`",
   "marking": "Silkscreen `B0K17_Dongle` / `20241106_V01` [clear]; report text layer spells the second character as digit zero (U+0030)",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/dongle-board-front.jpg"
  },
  {
   "id": "TUM-01",
   "board": "Tune main board (ring)",
   "name": "`Tune_MB_20250227_V09`, part no. `408-06032-000`",
   "marking": "`Tune_MB_20250227_V09` / `408-06032-000` / `T=0.8mm` on both faces, Pb-free circle, stamp `25 12`, chevron fab logo [clear]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/tune-main-board-front.jpg"
  },
  {
   "id": "TUX-01",
   "board": "Tune touch/LED disc",
   "name": "`Tune_touch 20240926 V00`",
   "marking": "`Tune_touch` / `20240926` / `V00` (lower-case 'touch'), chevron logo, gold edge ring [clear]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/tune-touch-disc.jpg"
  },
  {
   "id": "TCM-01",
   "board": "Touch main board",
   "name": "`Touch_MB_20250227_V10`, part no. `408-06025-000`",
   "marking": "`Touch_MB_20250227_V10` / `408-06025-000` / `T=1.0MM` on three lines, Pb-free, chevron logo [clear]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/touch-main-board.jpg"
  },
  {
   "id": "TCX-01",
   "board": "Touch sensor board",
   "name": "`Touch_touch_20250106_V02`",
   "marking": "`Touch_touch_20250106_V02`, stamp `25 12`, chevron logo [clear]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/touch-sensor-board.jpg"
  },
  {
   "id": "TCX-08",
   "board": "Touch pogo board",
   "name": "`Touch_Pogo_Pin_<date>_V0x` (INFERRED from the Track name)",
   "marking": "`Tou`...`in` / `20`...`V0?` (middle under a 2D sticker); stamp `25 10`; Pb-free, chevron logo [partial]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/touch-pogo-board.jpg"
  },
  {
   "id": "TKM-01",
   "board": "Track main board (ring)",
   "name": "`Track_MB_20250305_V13`, part no. `408-06028-000`",
   "marking": "`408-06028-000` / `Track_MB_20250305_V13` / `T=1.0MM`, Pb-free, stamp `25 15`, chevron logo [clear]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/track-main-board-front.jpg"
  },
  {
   "id": "TKX-01a",
   "board": "Track sensor board, left",
   "name": "`SensorL_20241125_V09`",
   "marking": "`SensorL_20241125_V09`, circled `L` [clear]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/track-sensor-boards.jpg"
  },
  {
   "id": "TKX-01b",
   "board": "Track sensor board, right",
   "name": "`SensorR_20241125_V09`",
   "marking": "`SensorR_20241125_V09`, circled `R`, Pb-free [clear; R glyph faint]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/track-sensor-boards.jpg"
  },
  {
   "id": "TKX-05",
   "board": "Track pogo board",
   "name": "`Track_Pogo_Pin_20241122_V08`",
   "marking": "`Track_Pogo_Pin_20241122_V08`, Pb-free; date stamp `25 1?` [name clear; stamp partial]",
   "verdict": "corrected",
   "image": "../images/fcc/boards/track-pogo-interposer.jpg"
  },
  {
   "id": "TKX-09",
   "board": "Track dock interposer board",
   "name": "no name visible",
   "marking": "`J11` 4-pin male header (`GND`, `RX`, `TX` + 1 unlabeled pin); `J4` 4-pin header (`ON`, `5V`, `GND` + 1 unlabeled); `BOOT1` pad; `C39`, `C47`, `C51`, `C52`, `D40`, `D44` (partial), `D75`; QR sticker [clear except where marked]",
   "verdict": "confirmed",
   "image": "../images/fcc/boards/track-pogo-interposer.jpg"
  },
  {
   "id": "U-PD-02",
   "board": "Right pogo board name",
   "name": null,
   "marking": "Circled `R`, Pb mark, `GND_4`, `BOOT_2`, `5V_1`, `RX_2`; name under a QR sticker; `Cr` / `Pin` / `10` fragments very low confidence; edge text `?0010`",
   "verdict": "unverifiable",
   "image": "../images/fcc/boards/pogo-board-right.jpg"
  },
  {
   "id": "U-TUX-16",
   "board": "T-shaped sub-board",
   "name": null,
   "marking": "Green PCB about 10 x 7-9 mm; metal frame about 9.3 x 3.7 mm with a white 'pill' about 3.3 x 1 mm at one end of a slot; 6 pads on the crossbar; about 1.2-1.5 mm unmarked IC; no board name",
   "verdict": "unverifiable",
   "image": "../images/fcc/boards/tune-sub-board.jpg"
  }
 ],
 "part_number_index": [
  {
   "part": "nRF52840, CKAA (WLCSP), build D0",
   "maker": "Nordic Semiconductor",
   "function": "BLE SoC",
   "where": "Both halves (U2), dongle (U1)",
   "rows": "HM-04, DG-04"
  },
  {
   "part": "Serial NOR flash, P/N unread",
   "maker": "Winbond",
   "function": "External QSPI flash",
   "where": "Both halves (U1)",
   "rows": "HM-09"
  },
  {
   "part": "RF0400A",
   "maker": "Boen",
   "function": "PCB antenna, 0.8 dBi",
   "where": "Both halves",
   "rows": "HM-12"
  },
  {
   "part": "RF0401A",
   "maker": "Boen",
   "function": "PCB antenna, 3.11 dBi",
   "where": "Dongle",
   "rows": "DG-09"
  },
  {
   "part": "CPG-1232 (Kailh PG1232)",
   "maker": "Kailh",
   "function": "Low-profile key switch",
   "where": "Both halves, spares",
   "rows": "EN-01, ACC-06"
  },
  {
   "part": "STM32F411CEU6",
   "maker": "STMicroelectronics",
   "function": "Module MCU",
   "where": "Tune, Touch, Track",
   "rows": "TUM-03, TCM-03, TKM-03"
  },
  {
   "part": "MT5705",
   "maker": "Maxic Technology",
   "function": "Qi 5 W receiver",
   "where": "Tune, Touch, Track",
   "rows": "TUM-04, TCM-05, TKM-05"
  },
  {
   "part": "SGM41523 (base variant, `41523DF`)",
   "maker": "SG Micro",
   "function": "1-cell switch-mode charger",
   "where": "Tune, Touch, Track (U8)",
   "rows": "TUM-05, TCM-06, TKM-06"
  },
  {
   "part": "SGM62117 (`01KGH`)",
   "maker": "SG Micro",
   "function": "Buck-boost converter",
   "where": "Tune (U6), Touch (U3)",
   "rows": "TUM-06, TCM-09"
  },
  {
   "part": "CST3640",
   "maker": "Hynitron",
   "function": "Capacitive touch controller",
   "where": "Touch sensor board (Tune: candidate, U-TUX-03)",
   "rows": "TCX-02"
  },
  {
   "part": "MMBT3904 class (`1AM`)",
   "maker": "multi-source",
   "function": "NPN transistor",
   "where": "Tune Q3, Touch Q4",
   "rows": "TUM-10, TCM-12"
  },
  {
   "part": "B5819W / 1N5819W class (`SL`)",
   "maker": "multi-source",
   "function": "Schottky 40 V 1 A",
   "where": "Tune, Touch, Track",
   "rows": "TUM-11, TCM-13, TKM-11"
  },
  {
   "part": "1N4148W / 1N4148WS class (`T4`)",
   "maker": "multi-source",
   "function": "Switching diode",
   "where": "Tune, Touch, Track",
   "rows": "TUM-12, TCM-17, TKM-11"
  },
  {
   "part": "100 uF 6.3 V tantalum (`J107`)",
   "maker": "not identified",
   "function": "Bulk capacitor",
   "where": "Tune, Touch",
   "rows": "TUM-14, TCM-15"
  },
  {
   "part": "`YC32.0` 32 MHz crystal",
   "maker": "not identified",
   "function": "HFXO",
   "where": "Halves, dongle",
   "rows": "HM-07, DG-06"
  },
  {
   "part": "`YC16.0` 16 MHz crystal",
   "maker": "not identified",
   "function": "STM32 HSE",
   "where": "Tune, Touch, Track",
   "rows": "TUM-15, TCM-10, TKM-07"
  },
  {
   "part": "`FH301217` 3.7 V 50 mAh 0.185 Wh",
   "maker": "not identified",
   "function": "Half cell",
   "where": "Each half",
   "rows": "BAT-01"
  },
  {
   "part": "`FH 202030` 3.7 V 1000 mAh 3.7 Wh",
   "maker": "not identified",
   "function": "Tune pack",
   "where": "Tune",
   "rows": "BAT-06"
  },
  {
   "part": "`FH364046` / `FH364045` 3.7 V 700 mAh 2.59 Wh",
   "maker": "not identified",
   "function": "Touch cell(s)",
   "where": "Touch",
   "rows": "BAT-09, BAT-10"
  },
  {
   "part": "`QS801630 1S2P` 3.7 V 600 mAh 2.22 Wh (2 x 300 mAh)",
   "maker": "not identified",
   "function": "Track pack",
   "where": "Track",
   "rows": "BAT-13, BAT-14"
  },
  {
   "part": "`NAYA-800-1(NAYA-CREATE)`; `NAYA-100-1(Dongle)`",
   "maker": "Naya B.V.",
   "function": "Model numbers",
   "where": "Halves; dongle",
   "rows": "LB-01, DG-17a"
  }
 ],
 "parts": [
  {
   "id": "LB-02a",
   "section": "ids",
   "location": "Grant, left half",
   "part_number": "FCC ID `2BQ4V0825CRL`",
   "manufacturer": "Grantee Naya B.V. (grantee code 2BQ4V)",
   "function": "Naya Create left half; 47 CFR 15.247 DTS, 2402-2480 MHz GFSK, BLE 1M / 2M / 125k (S=8); max peak 9.30 dBm (2M), max average 7.14 dBm (1M); BTL project 2506C291",
   "marking": "Report cover `FCC ID: 2BQ4V0825CRL` [clear]; grant date 2025-08-26",
   "verdict": "confirmed",
   "verdict_note": "Grant date confirmed on FCC EAS (2026-09-23); this ID has two grant lines, 2402-2480 and 2404-2480 MHz",
   "tag": "DOC",
   "source": "CRL BLE p1, p10; CRL SRD p1; grant date and grant lines from FCC EAS (read 2026-09-23)",
   "notes": "The SRD report BTL-FCCP-2-2506C291 carries the same FCC ID: it is a second 15.247 report inside this grant, not a second grant. Report R01 issued 2025-08-27, after the grant (R00 was superseded for the antenna gain). The left half's RF-exposure report is BTL-FCCP-3-2506C291 R00 (LB-24).",
   "image": "../images/fcc/parts/lb-02a.jpg",
   "image_source": "CRL LLOC p1: FC mark and 'FCC ID: 2BQ4V0825CRL' (left label artwork, rotated upright)"
  },
  {
   "id": "LB-02b",
   "section": "ids",
   "location": "Grant, right half",
   "part_number": "FCC ID `2BQ4V0825CRR`",
   "manufacturer": "Grantee Naya B.V.",
   "function": "Naya Create right half; 15.247 DTS 2402-2480 MHz; max peak 8.36 dBm (2M), max average 7.25 dBm (1M); BTL project 2506C430; RF-exposure report BTL-FCCP-3-2506C430 R01 (SAR-exclusion calculation)",
   "marking": "Report cover and label `FCC ID: 2BQ4V0825CRR` [clear]; grant date 2025-08-29",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR BLE p1, p10; CRR LBL; CRR MPE p1; grant date and grant lines from FCC EAS (read 2026-09-23)",
   "notes": "",
   "image": "../images/fcc/parts/lb-02b.jpg",
   "image_source": "CRR LBL p1: FC mark and 'FCC ID: 2BQ4V0825CRR' (right label artwork, rotated upright)"
  },
  {
   "id": "LB-02c",
   "section": "ids",
   "location": "Grant, dongle",
   "part_number": "FCC ID `2BQ4V0825DG`",
   "manufacturer": "Grantee Naya B.V.",
   "function": "Speedlink dongle; 15.247 DTS 2402-2480 MHz GFSK, tested at 2 Mbps only; 8.97 dBm (2M); BTL project 2506C290; RF report R00 issued 2025-08-12; antenna report BTL-OTA-1-2506C290 R00",
   "marking": "Report cover `FCC ID: 2BQ4V0825DG` [clear]; grant date 2025-09-03",
   "verdict": "corrected",
   "verdict_note": "PHY corrected 2026-09-23: the dongle report tests 2 Mbps only (was '1M / 2M / 125k')",
   "tag": "DOC",
   "source": "DG RF p1, p10, p11 (EUT table and test modes: 2 Mbps only); grant date and grant lines from FCC EAS (read 2026-09-23)",
   "notes": "SAR report BTL-FCC SAR-1-2506C290 R00 (LB-23); ISED 34320-0825DG.",
   "image": "../images/fcc/parts/lb-02c.jpg",
   "image_source": "DG LBL p1: 'FCC ID: 2BQ4V0825DG' and 'IC: 34320-0825DG'"
  },
  {
   "id": "LB-01",
   "section": "ids",
   "location": "Model / HVIN, both halves",
   "part_number": "`NAYA-800-1(NAYA-CREATE)`",
   "manufacturer": "Naya B.V. (brand 'NAYA TECH, Naya Create')",
   "function": "One model number for both halves, told apart by FCC ID suffix (CRL/CRR); equipment 'Ergonomic detachable wireless mechanical keyboard'",
   "marking": "Label `Model Name: NAYA-800-1(NAYA-CREATE)`, `HVIN: NAYA-800-1(NAYA-CREATE)` followed by ` R` (right-half marker) [clear]; reports 'Keyboard: Left Keyboard'",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR LBL; CRL BLE p1, p10; CRR BLE p1; CRR UM1 p1; CRR UM5 p1",
   "notes": "The left label reads HVIN `NAYA-800-1(NAYA-CREATE) L` (LB-20); ISED lists both HVINs with the side suffix.",
   "image": "../images/fcc/parts/lb-01.jpg",
   "image_source": "CRR LBL p1: the Model Name and HVIN line, split in two for size"
  },
  {
   "id": "DG-17a",
   "section": "ids",
   "location": "Model, dongle",
   "part_number": "`NAYA-100-1(Dongle)`",
   "manufacturer": "Naya B.V.",
   "function": "Speedlink dongle, equipment 'Wireless dongle'",
   "marking": "`Test Model: NAYA-100-1(Dongle)` [clear]; manual box list subtitle 'Wireless dongle · NAYA-100-1(Dongle)'",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "DG RF p1, p10; CRR UM1 p2",
   "notes": "",
   "image": "../images/fcc/parts/dg-17a.jpg",
   "image_source": "DG LBL p1: 'Wireless dongle' and 'Model Name: NAYA-100-1(Dongle)'"
  },
  {
   "id": "LB-04",
   "section": "ids",
   "location": "ISED Canada, right half",
   "part_number": "`IC: 34320-0825CRR`; `34320-0825CRL`; `34320-0825DG`",
   "manufacturer": "ISED company number 34320",
   "function": "Canadian radio certification number",
   "marking": "`IC: 34320-0825CRR` on the same line as the FCC ID [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR LBL; CRR UM5 p2 (IC statements, no number); CRL LLOC p1; DG LBL; ISED REL (read 2026-09-23)",
   "notes": "All three numbers are on their label artwork (CRR LBL, CRL LLOC p1, DG LBL) and on the ISED Radio Equipment List for company 34320 (approved 2025-09-11 CRL, 2025-09-08 CRR and DG).",
   "image": "../images/fcc/parts/lb-04.jpg",
   "image_source": "CRR LBL p1, CRL LLOC p1 and DG LBL p1: the three IC numbers stacked"
  },
  {
   "id": "LB-05",
   "section": "ids",
   "location": "Korea KC, right half",
   "part_number": "`R-R-NBv-0825CRR`",
   "manufacturer": "Korea RRA (KC mark)",
   "function": "Korean radio certificate",
   "marking": "KC mark + `R-R-NBv-0825CRR` [clear on label artwork]; KC logo also engraved on the left half, its number [illegible]; left label artwork `R-R-NBv-0825CRL` [clear]; dongle label: KC logo without a number",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR LBL; CRL EP p2; CRR EP p2-p3; CRL LLOC p1; DG LBL",
   "notes": "",
   "image": "../images/fcc/parts/lb-05.jpg",
   "image_source": "CRR LBL p1: KC mark and R-R-NBv-0825CRR"
  },
  {
   "id": "LB-06",
   "section": "ids",
   "location": "Japan MIC, right half",
   "part_number": "`219-257016` (right), `219-257017` (left)",
   "manufacturer": "MIC technical conformity (Giteki); certification body `219` not identified",
   "function": "Japanese radio certification: 3-digit body code + 6-digit number, boxed `R` = radio equipment",
   "marking": "Giteki mark + boxed `R` + `219-257016` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (format decode from public MIC guides)",
   "source": "CRR LBL; CRL LLOC p1; DG LBL",
   "notes": "The two numbers are consecutive (one batch, INFERRED). The dongle label carries only an `XXX-XXXXX` placeholder. The certification body behind code 219 is not identified.",
   "image": "../images/fcc/parts/lb-06.jpg",
   "image_source": "CRR LBL p1 (219-257016, top) and CRL LLOC p1 (219-257017, bottom): Giteki mark and boxed R"
  },
  {
   "id": "LB-07",
   "section": "ids",
   "location": "Taiwan BSMI, right half",
   "part_number": "`R45625`",
   "manufacturer": "BSMI (Taiwan)",
   "function": "Commodity-inspection registration with RoHS declaration",
   "marking": "Circle-with-arrow mark + `R45625` over `RoHS` [clear, also in the PDF text layer]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (registrant-level number)",
   "source": "CRR LBL; CRL LLOC p1",
   "notes": "The same number appears on unrelated Taiwan-market products, so it most likely identifies the importer/registrant, not this product (INFERRED). On the left label as on the right; not on the dongle label.",
   "image": "../images/fcc/parts/lb-07.jpg",
   "image_source": "CRR LBL p1: BSMI mark, R45625, RoHS"
  },
  {
   "id": "LB-08",
   "section": "ids",
   "location": "Taiwan NCC-style mark, right half",
   "part_number": "placeholder `XXXXXXXXXXXXXXXXX` (17 characters)",
   "manufacturer": "-",
   "function": "Placeholder for an NCC number in the artwork; real NCC numbers are 12-14 characters (INFERRED)",
   "marking": "Stylised three-arc mark + 17 `X` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED",
   "source": "CRR LBL; CRL LLOC p1",
   "notes": "On both half labels and on the dongle label.",
   "image": "../images/fcc/parts/lb-08.jpg",
   "image_source": "CRR LBL p1: NCC-style mark with the 17-character placeholder"
  },
  {
   "id": "LB-09",
   "section": "ids",
   "location": "EU/UK marks, both halves",
   "part_number": "CE, UKCA, WEEE",
   "manufacturer": "-",
   "function": "EU and UK conformity marks; WEEE disposal mark",
   "marking": "`CE`; `UK` over `CA`; crossed-out wheelie bin with bar [clear on artwork; faint engraving on both photographed halves]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR LBL; CRL EP p2; CRR EP p2-p3; CRL LLOC p1",
   "notes": "An earlier text search reported CE and UKCA as not found: the marks are vector graphics, invisible to a text search. The dongle label has CE and WEEE, no UKCA.",
   "image": "../images/fcc/parts/lb-09.jpg",
   "image_source": "CRR LBL p1: UKCA, the N energy mark, CE, WEEE bin"
  },
  {
   "id": "LB-10",
   "section": "ids",
   "location": "Australia/NZ and Japan EMC marks",
   "part_number": "RCM, VCCI",
   "manufacturer": "-",
   "function": "Supplier-declaration marks, no number printed",
   "marking": "Triangle with a tick in a circle; double box with `VCI` letterforms [clear on artwork; faint on samples]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (shape identification)",
   "source": "CRR LBL; CRL EP p2; CRR EP p3; CRL LLOC p1",
   "notes": "On both half labels; not on the dongle label.",
   "image": "../images/fcc/parts/lb-10.jpg",
   "image_source": "CRR LBL p1: RCM triangle and VCCI box"
  },
  {
   "id": "LB-11",
   "section": "ids",
   "location": "Energy-verification marks",
   "part_number": "c-UL 'Energy Verified'; c + N-in-ellipse 'ENERGY VERIFIED'",
   "manufacturer": "UL (first mark); issuer of the N mark not identified",
   "function": "Canadian energy-efficiency verification marks",
   "marking": "`c` + UL leaf + 'Energy Verified / Rendement / Énergétique Vérifié'; `c` + N crossed by an ellipse + boxed 'ENERGY VERIFIED' [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR LBL; CRL LLOC p1",
   "notes": "Both marks on both half labels; the dongle label has the c-UL mark only.",
   "image": "../images/fcc/parts/lb-11.jpg",
   "image_source": "CRR LBL p1: c-UL Energy Verified mark (top) and c + N-in-ellipse ENERGY VERIFIED mark (bottom)"
  },
  {
   "id": "LB-12",
   "section": "ids",
   "location": "FCC statement on the body plate",
   "part_number": "Part 15 two-condition statement (6 lines)",
   "manufacturer": "-",
   "function": "Required FCC label text",
   "marking": "'This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: ...' [clear in artwork text layer]; not visible on the photographed sample",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR LBL; CRR EP p3; CRL LLOC p1",
   "notes": "The photographed sample probably carried an earlier engraving (INFERRED). On the left body plate as on the right; not on the dongle label (it is in the manual).",
   "image": "../images/fcc/parts/lb-12.jpg",
   "image_source": "CRR LBL p1: the 6-line Part 15 statement on the body-plate artwork"
  },
  {
   "id": "LB-13",
   "section": "ids",
   "location": "Half input rating",
   "part_number": "`5V⎓1.5A`",
   "manufacturer": "-",
   "function": "DC input rating of one half",
   "marking": "`輸入電壓電流/Rating: 5V⎓1.5A` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR LBL; CRL LLOC p1",
   "notes": "The left label gives the same rating.",
   "image": "../images/fcc/parts/lb-13.jpg",
   "image_source": "CRR LBL p1 (top) and CRL LLOC p1 (bottom): Rating 5V 1.5A"
  },
  {
   "id": "LB-14",
   "section": "ids",
   "location": "Manual power figures",
   "part_number": "'Input Voltage 4.2V'; charge from 'USB 2.0 5V-1A'",
   "manufacturer": "-",
   "function": "Spec-sheet power figures; 4.2 V reads as the Li-ion full-charge voltage, not the input (INFERRED; the label rates the input 5 V 1.5 A)",
   "marking": "Spec sheet 'Input Voltage 4.2V'; best practices 'connecting the provided USB cable to a computer (USB 2.0 5V-1A)' [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (meaning)",
   "source": "CRR UM1 p3, p5; CRL UM1 p3, p5",
   "notes": "",
   "image": null,
   "image_source": null
  },
  {
   "id": "LB-15",
   "section": "ids",
   "location": "Label layout (right half)",
   "part_number": "'Create-R Engraving Reference Sheet'",
   "manufacturer": "-",
   "function": "1:1 laser-engraving artwork: regulatory block on the wing underside plate, rotated 90°; logo on the body plate 47.97 mm from the seam; serial-number field (no value reproduced)",
   "marking": "Dimension line 120.63 mm (re-measured 120.73 mm at 150 dpi: artwork is 1:1); PDF title 'Create 镭雕-20250820', created 2025-08-20, modified 2025-08-27",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR LBL (exhibit R15)",
   "notes": "The serial-number field value is not reproduced. The left filing's 'Label Location' exhibit holds both sheets (CRL LLOC p1 left, p2 right; p2 equals the CRR exhibit).",
   "image": "../images/fcc/parts/lb-15.jpg",
   "image_source": "CRR LBL p1: the whole 1:1 engraving sheet with its dimensions"
  },
  {
   "id": "LB-16",
   "section": "ids",
   "location": "Manufacturer and test lab",
   "part_number": "Dongguan Boen Intelligent Technology Co., Ltd.; BTL Inc. (Dongguan)",
   "manufacturer": "-",
   "function": "ODM (manufacturer and factory of record for all three filings) and the test lab; also the antenna maker (RF0400A, RF0401A)",
   "marking": "Report covers: 'Manufacturer / Factory: Dongguan Boen Intelligent Technology Co., Ltd.'; test facility: FCC registration `747969`, designation `CN1377`; A2LA certificate 7130.01 [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR BLE p1, p8; CRL BLE p1; DG RF p1",
   "notes": "",
   "image": null,
   "image_source": null
  },
  {
   "id": "LB-17",
   "section": "ids",
   "location": "Taiwan RoHS table",
   "part_number": "CNS 15663-style restricted-substance table",
   "manufacturer": "-",
   "function": "Declaration for units Cable, PWAs, Plastic parts, Metal parts, Rubber parts against Pb, Hg, Cd, Cr+6, PBB, PBDE; every cell '○'; no battery row",
   "marking": "Table text [clear]; equipment 人體工學拆卸式無線機構鍵盤, type NAYA-800-1(NAYA-CREATE)",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR UM5 p1; CRL UM3 p5",
   "notes": "",
   "image": null,
   "image_source": null
  },
  {
   "id": "LB-18",
   "section": "ids",
   "location": "USB identity, halves",
   "part_number": "VID `0x37D1`; PID left `0x0064` / right `0x00C8`; MCUboot `0x006F` / `0x00D3`; DFU `0x007A` / `0x00DE`; generation-B bit `0x1000`",
   "manufacturer": "Naya (VID not in public USB-ID lists)",
   "function": "USB identity of each half in application, MCUboot recovery and DFU modes; bit 0x1000 marks QSPI flash generation B (`0x1064` / `0x10C8`)",
   "marking": "n/a (USB descriptors); product strings 'Naya Create Left' / 'Naya Create Right'",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "STATIC (NayaCore 6.11.0); MEASURED (`0x0064`, `0x00C8`, `0x006F` on keyboard firmware 3.41.0, generation A)",
   "source": "STATIC: NayaCore 6.11.0 PID table (vendor host binary); measured on one pair of halves, keyboard firmware 3.41.0, generation A, by 2026-09-16",
   "notes": "`0x00D3` and the DFU pair are STATIC only (not yet seen on hardware).",
   "image": null,
   "image_source": null
  },
  {
   "id": "DG-17b",
   "section": "ids",
   "location": "USB identity, dongle",
   "part_number": "VID `0x37D1`, PID `0x012C` (transient boot identity `0x0137`), bcdDevice `0x0307`",
   "manufacturer": "Naya",
   "function": "Dongle USB identity: CDC composite, product string 'Dongle'",
   "marking": "n/a (USB descriptors)",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "MEASURED (one dongle, 2026-09-11); INFERRED (bcdDevice 0x0307 read as dongle firmware 3.07)",
   "source": "measured on one dongle: USB enumeration capture, 2026-09-11",
   "notes": "",
   "image": null,
   "image_source": null
  },
  {
   "id": "LB-19",
   "section": "ids",
   "location": "Declared EUT software and lab tool",
   "part_number": "`Naya_Temp_Flash_Pair.exe`; `nrfconnect-setup-5.1.0-x64`",
   "manufacturer": "Naya (EUT software); Nordic (lab tool)",
   "function": "Software version declared for the tested samples (halves and dongle); channel/power control tool = the installer name of nRF Connect for Desktop 5.1.0 (INFERRED), power setting 8 on every channel and PHY for the halves; the dongle table reads 8 / 7 / 8 at 2402 / 2442 / 2480 MHz",
   "marking": "'Software Version Naya_Temp_Flash_Pair.exe'; 'Test Software Version nrfconnect-setup-5.1.0-x64'; power setting tables: halves all `8`; dongle `8` `7` `8` [clear, text layer]",
   "verdict": "corrected",
   "verdict_note": "Dongle power setting corrected 2026-09-23 from the DG RF p11 text layer (middle channel 7, not 8)",
   "tag": "DOC; INFERRED (meaning of the installer name)",
   "source": "CRL BLE p10, p13; CRL SRD p10, p12; DG RF p10, p11",
   "notes": "No keyboard firmware version is printed anywhere in the filings; samples were pre-production units received by the lab on 2025-06-20. The dongle's SAR sample also ran `Naya_Temp_Flash_Pair.exe`; its continuous transmission came from '2.4G SRD engineering testing software installed on the DUT' (DG SAR p7, p23).",
   "image": null,
   "image_source": null
  },
  {
   "id": "LB-20",
   "section": "ids",
   "location": "Left-half label artwork",
   "part_number": "`FCC ID: 2BQ4V0825CRL`; `IC: 34320-0825CRL`; KC `R-R-NBv-0825CRL`; MIC `219-257017`; HVIN `NAYA-800-1(NAYA-CREATE) L`",
   "manufacturer": "Naya B.V.",
   "function": "'Create-L Engraving Reference Sheet', 1:1: the regulatory block on the left wing plate underside, mirrored from the right; the same marks, BSMI number, NCC-style placeholder, maker line, serial-number field (no value reproduced) and Part 15 text as the right half; rating `5V⎓1.5A`; `L` circle by the dock hinge; 12 screw symbols",
   "marking": "[clear, vector artwork]",
   "verdict": "new (2026-09-23 exhibits)",
   "verdict_note": "one extraction pass, no blind re-read",
   "tag": "DOC",
   "source": "CRL LLOC p1",
   "notes": "",
   "image": "../images/fcc/boards/label-left-half.jpg",
   "image_source": "board view: CRL LLOC p1"
  },
  {
   "id": "LB-21",
   "section": "ids",
   "location": "Dongle label artwork",
   "part_number": "engraving artwork 'Dongle', 2025-07-25, 12.55 x 12.00 mm",
   "manufacturer": "Naya B.V.",
   "function": "Text: 'Wireless dongle', `Model Name: NAYA-100-1(Dongle)`, 'Manufactured Date: Jun. 2025', `Rating: 5V⎓30mA`, `FCC ID: 2BQ4V0825DG`, `IC: 34320-0825DG`; marks WEEE, KC without a number, an NCC-style 17-character placeholder, c-UL Energy Verified, a Japanese Giteki mark with an `XXX-XXXXX` placeholder, CE and FCC. No UKCA, RCM, VCCI, BSMI or N-in-ellipse mark, no address, serial-number field or Part 15 text",
   "marking": "[clear, vector artwork]",
   "verdict": "new (2026-09-23 exhibits)",
   "verdict_note": "one extraction pass, no blind re-read",
   "tag": "DOC; INFERRED (1:1 scale from the USB-A shell width; placement)",
   "source": "DG LBL; DG EP p2-p3",
   "notes": "The photographed sample carries no engraving; where on the dongle the label goes is not stated.",
   "image": "../images/fcc/boards/label-dongle.jpg",
   "image_source": "board view: DG LBL p1"
  },
  {
   "id": "LB-22",
   "section": "ids",
   "location": "Confidentiality requests (all three IDs)",
   "part_number": "-",
   "manufacturer": "Naya B.V.",
   "function": "Letters dated 2025-08-06 (CRL) and 2025-08-04 (CRR, DG) request confidentiality under 47 CFR 0.457 and 0.459 for exactly the block diagram, schematics and operational description, as trade secrets; no short-term request for any other exhibit, so these three are permanent",
   "marking": "[clear, text]",
   "verdict": "new (2026-09-23 exhibits)",
   "verdict_note": "one extraction pass, no blind re-read",
   "tag": "DOC; INFERRED (permanent)",
   "source": "CL (CRL, CRR, DG)",
   "notes": "",
   "image": null,
   "image_source": null
  },
  {
   "id": "LB-23",
   "section": "ids",
   "location": "Dongle RF exposure",
   "part_number": "SAR report BTL-FCC SAR-1-2506C290 R00",
   "manufacturer": "BTL Inc. (Dongguan)",
   "function": "Issued 2025-08-12, tested 2025-07-12 to 07-22; EUT `NAYA-100-1(Dongle)`, hardware `B0K17_Dongle_20241106_V01`, software `Naya_Temp_Flash_Pair.exe`; mode '2.4G SRD', GFSK, 2M, 2400-2483.5 MHz; RF0401A 3.11 dBi; average conducted 6.28 / 6.60 / 6.71 dBm at 2402 / 2442 / 2480 MHz, tune-up 8.00 dBm; 100 % duty; five positions (horizontal up and down, vertical front and back, tip) at 5 mm; highest reported 1-g SAR 0.080 W/kg (2402 MHz, horizontal down; measured 0.054 scaled to tune-up) against 1.6 W/kg",
   "marking": "[clear, text]",
   "verdict": "new (2026-09-23 exhibits)",
   "verdict_note": "one extraction pass, no blind re-read",
   "tag": "DOC",
   "source": "DG SAR p1, p7, p22-p26; DG SAR-D",
   "notes": "",
   "image": null,
   "image_source": null
  },
  {
   "id": "LB-24",
   "section": "ids",
   "location": "Left-half RF exposure",
   "part_number": "MPE report BTL-FCCP-3-2506C291 R00",
   "manufacturer": "BTL Inc. (Dongguan)",
   "function": "Issued 2025-08-15, never revised: RF0400A filed at 0.59 dBi (the specification table's 2460 MHz value); BLE 7.14 dBm and '2.4G SRD' 4.35 dBm tune-up at 2480 MHz; results 1.630 and 0.858 against 3.0 (1-g SAR exclusion); 'No SAR evaluation required'",
   "marking": "[clear, text]",
   "verdict": "new (2026-09-23 exhibits)",
   "verdict_note": "one extraction pass, no blind re-read",
   "tag": "DOC; INFERRED (reproduced with 5 mm and unrounded mW)",
   "source": "CRL MPE p1-p4",
   "notes": "",
   "image": null,
   "image_source": null
  },
  {
   "id": "HM-01",
   "section": "boards",
   "location": "Left half mainboard",
   "part_number": "`Create_L_KB_20250220_V13`",
   "manufacturer": "Custom PCB (board house not named; ODM Dongguan Boen)",
   "function": "Left main PCB, 1.0 mm; design date 2025-02-20, revision V13",
   "marking": "`Create_L_KB_20250220_V13` / `T=1.0MM`, circled `L`, on both faces [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP1 p8, p9; declared HW version CRL BLE p10, CRL SRD p10, CRR BLE p10, CRR SRD p10, CRR MPE p1",
   "notes": "Both faces read V13 (V11 is the wing).",
   "image": "../images/fcc/parts/hm-01.jpg",
   "image_source": "CRL IP1 p8, upper photo (switch-side silkscreen)"
  },
  {
   "id": "HM-02",
   "section": "boards",
   "location": "Right half mainboard",
   "part_number": "`Create_R_KB_20250221_V13`",
   "manufacturer": "Custom PCB",
   "function": "Right main PCB, 1.0 mm; 2025-02-21, V13",
   "marking": "`Create_R_KB_20250221_V13` / `T=1.0MM`, circled `R` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR IP1 p6; CRL BLE p10 (the SRD report prints `Create_R_KB20250221_V13`)",
   "notes": "",
   "image": "../images/fcc/parts/hm-02.jpg",
   "image_source": "CRR IP1 p6, lower photo"
  },
  {
   "id": "WG-01",
   "section": "boards",
   "location": "Left wing board",
   "part_number": "`Create_L_Wing_20250206_V11`",
   "manufacturer": "Custom PCB",
   "function": "Left wing PCB (outer two key columns), 1.0 mm; 2025-02-06, V11",
   "marking": "`Create_L_Wing_20250206_V11` / `T=1.0MM` [clear]; separate stamp `25 15` [clear]",
   "verdict": "confirmed",
   "verdict_note": "Stamp now read in full (was `25 ?5`)",
   "tag": "DOC; INFERRED (stamp = fab year 25, week 15)",
   "source": "CRL IP1 p11, p12",
   "notes": "",
   "image": "../images/fcc/parts/wg-01.jpg",
   "image_source": "CRL IP1 p12, upper photo (rotated to read upright)"
  },
  {
   "id": "WG-02",
   "section": "boards",
   "location": "Right wing board",
   "part_number": "`Create_R_Wing_20250206_V11` (middle INFERRED)",
   "manufacturer": "Custom PCB",
   "function": "Right wing PCB, 1.0 mm",
   "marking": "`Create_R` ... `0250206_V11`, `1.0MM`; `_Wing_2` hidden under a QR label; fiducial `MARK3` beside [partial]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (legible part); INFERRED (hidden part, from the left twin)",
   "source": "CRR IP1 p9",
   "notes": "",
   "image": "../images/fcc/parts/wg-02.jpg",
   "image_source": "CRR IP1 p9, upper photo (rotated)"
  },
  {
   "id": "DK-01",
   "section": "boards",
   "location": "Left dock (thumb-key) board",
   "part_number": "`Create_L_Dock_20241120_V09`",
   "manufacturer": "Custom PCB",
   "function": "Board under the module bay carrying the three thumb keys and the dock signals; 1.0 mm; about 47 x 21 mm (INFERRED)",
   "marking": "`Create_L_Dock_20241120_V09` / `T=1.0MM`, circled `L`, struck-through `Pb` (lead-free) circle [clear]",
   "verdict": "corrected",
   "verdict_note": "No separate 'UL-like' mark: that was the Pb-free circle seen at low resolution",
   "tag": "DOC",
   "source": "CRL IP2 p16; CRL IP1 p5, p7 (low resolution)",
   "notes": "",
   "image": "../images/fcc/parts/dk-01.jpg",
   "image_source": "CRL IP2 p16, upper photo (rotated 180 degrees): name, T=1.0MM, circled L, Pb-free mark"
  },
  {
   "id": "DK-02",
   "section": "boards",
   "location": "Right dock board",
   "part_number": "`Create_R_Dock_20241120_V09`",
   "manufacturer": "Custom PCB",
   "function": "Right dock board, 1.0 mm",
   "marking": "`Create_R_Dock_20241120_V09` / `T=1.0MM`, circled `R`, `MARK5`, `MARK6`, Pb-free circle [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR IP1 p12",
   "notes": "",
   "image": "../images/fcc/parts/dk-02.jpg",
   "image_source": "CRR IP1 p12, upper photo: name, T=1.0MM, circled R, Pb-free mark"
  },
  {
   "id": "PD-01",
   "section": "boards",
   "location": "Left pogo board",
   "part_number": "`Create_L_PogoPin_20250109_V10`",
   "manufacturer": "Custom PCB",
   "function": "D-shaped board carrying the half's 8 dock spring pins; 0.6 mm; about 16 x 17 mm (INFERRED)",
   "marking": "`Create_L_PogoPin` / `20250109_V10`, `T=0.6MM`, circled `L`, Pb-free circle, QR label [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP2 p15; CRL IP1 p5, p7",
   "notes": "",
   "image": "../images/fcc/parts/pd-01.jpg",
   "image_source": "CRL IP2 p15, lower photo (rotated): Create_L_PogoPin / 20250109_V10, T=0.6MM, circled L"
  },
  {
   "id": "DG-01",
   "section": "boards",
   "location": "Dongle board",
   "part_number": "`B0K17_Dongle_20241106_V01`",
   "manufacturer": "Custom PCB",
   "function": "Dongle PCB, 2024-11-06, V01; double-sided, stepped outline about 16.5-18 x 10-11.6 mm (INFERRED)",
   "marking": "Silkscreen `B0K17_Dongle` / `20241106_V01` [clear]; report text layer spells the second character as digit zero (U+0030)",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "DG IP p4, p5; DG RF p10",
   "notes": "",
   "image": "../images/fcc/parts/dg-01.jpg",
   "image_source": "DG IP p5, upper photo (rotated upright)"
  },
  {
   "id": "TUM-01",
   "section": "boards",
   "location": "Tune main board (ring)",
   "part_number": "`Tune_MB_20250227_V09`, part no. `408-06032-000`",
   "manufacturer": "Custom PCB",
   "function": "Tune ring PCB about 58-60 mm across with a C-shaped inner island (INFERRED size); 0.8 mm",
   "marking": "`Tune_MB_20250227_V09` / `408-06032-000` / `T=0.8mm` on both faces, Pb-free circle, stamp `25 12`, chevron fab logo [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (stamp = 2025 week 12)",
   "source": "CRL IP2 p18; CRL IP3 p19, p21 = CRR IP2 p15-p16; CRR IP3 p18",
   "notes": "`408-060xx-000` is one numbering series with the Touch (`06025`) and Track (`06028`) main boards (INFERRED).",
   "image": "../images/fcc/parts/tum-01.jpg",
   "image_source": "CRL IP3 p19, lower photo (= CRR IP2 p16), rotated upright"
  },
  {
   "id": "TUX-01",
   "section": "boards",
   "location": "Tune touch/LED disc",
   "part_number": "`Tune_touch 20240926 V00`",
   "manufacturer": "Custom PCB",
   "function": "Round disc about 45 mm bonded under the glass: touch controller and 24-LED ring",
   "marking": "`Tune_touch` / `20240926` / `V00` (lower-case 'touch'), chevron logo, gold edge ring [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP2 p18; CRL IP3 p22; CRL IP4 p23 = CRR IP2 p15; CRR IP3 p19-p20",
   "notes": "",
   "image": "../images/fcc/parts/tux-01.jpg",
   "image_source": "CRL IP4 p23, upper photo (= CRR IP3 p20), rotated upright"
  },
  {
   "id": "TCM-01",
   "section": "boards",
   "location": "Touch main board",
   "part_number": "`Touch_MB_20250227_V10`, part no. `408-06025-000`",
   "manufacturer": "Custom PCB",
   "function": "Round, about 44 mm (anchored to the 7 x 7 mm STM32 package), single-sided, 1.0 mm",
   "marking": "`Touch_MB_20250227_V10` / `408-06025-000` / `T=1.0MM` on three lines, Pb-free, chevron logo [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (size)",
   "source": "CRL IP4 p28; CRL IP5 p29-p31 = CRR IP4 p25-p27; CRR IP5 p28",
   "notes": "",
   "image": "../images/fcc/parts/tcm-01.jpg",
   "image_source": "CRL IP5 p31, lower photo (= CRR IP5 p28 lower)"
  },
  {
   "id": "TCX-01",
   "section": "boards",
   "location": "Touch sensor board",
   "part_number": "`Touch_touch_20250106_V02`",
   "manufacturer": "Custom PCB",
   "function": "Teardrop capacitive sensor board, diamond-lattice electrodes, gold edge ring; size unresolved (U-TCX-16b)",
   "marking": "`Touch_touch_20250106_V02`, stamp `25 12`, chevron logo [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP4 p28; CRL IP6 p35-p36 = CRR IP4 p25; CRR IP5 p32-p33",
   "notes": "",
   "image": "../images/fcc/parts/tcx-01.jpg",
   "image_source": "CRL IP6 p35, upper photo (= CRR IP5 p32 upper)"
  },
  {
   "id": "TCX-08",
   "section": "boards",
   "location": "Touch pogo board",
   "part_number": "`Touch_Pogo_Pin_<date>_V0x` (INFERRED from the Track name)",
   "manufacturer": "Custom PCB",
   "function": "Module-side dock contact board, about 11 x 16.5-18 mm (INFERRED)",
   "marking": "`Tou`...`in` / `20`...`V0?` (middle under a 2D sticker); stamp `25 10`; Pb-free, chevron logo [partial]",
   "verdict": "confirmed",
   "verdict_note": "Only the fragments are confirmed",
   "tag": "DOC (fragments); INFERRED (full name)",
   "source": "CRL IP4 p28; CRL IP5 p32 = CRR IP4 p25; CRR IP5 p29",
   "notes": "",
   "image": "../images/fcc/parts/tcx-08.jpg",
   "image_source": "CRL IP5 p32, upper photo (= CRR IP5 p29 upper)"
  },
  {
   "id": "TKM-01",
   "section": "boards",
   "location": "Track main board (ring)",
   "part_number": "`Track_MB_20250305_V13`, part no. `408-06028-000`",
   "manufacturer": "Custom PCB",
   "function": "Track ring PCB about 60-66 mm OD with a 40-43 mm opening for the 40 mm ball (INFERRED); 1.0 mm",
   "marking": "`408-06028-000` / `Track_MB_20250305_V13` / `T=1.0MM`, Pb-free, stamp `25 15`, chevron logo [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (size, stamp = 2025 week 15)",
   "source": "CRL IP7 p44-p46 = CRR IP6 p41; CRR IP7 p42-p43",
   "notes": "",
   "image": "../images/fcc/parts/tkm-01.jpg",
   "image_source": "CRL IP7 p45, upper photo (= CRR IP7 p42)"
  },
  {
   "id": "TKX-01a",
   "section": "boards",
   "location": "Track sensor board, left",
   "part_number": "`SensorL_20241125_V09`",
   "manufacturer": "Custom PCB",
   "function": "T-shaped rigid board about 11 x 11 mm carrying optical ball sensor U9 (optical INFERRED from `SCLK`/`SDIO`/`MOTION` pads)",
   "marking": "`SensorL_20241125_V09`, circled `L` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (function)",
   "source": "CRL IP6 p38-p39 = CRR IP6 p35-p36",
   "notes": "",
   "image": "../images/fcc/parts/tkx-01a.jpg",
   "image_source": "CRL IP6 p39, lower photo (= CRR IP6 p36)"
  },
  {
   "id": "TKX-01b",
   "section": "boards",
   "location": "Track sensor board, right",
   "part_number": "`SensorR_20241125_V09`",
   "manufacturer": "Custom PCB",
   "function": "Twin of SensorL carrying optical sensor U11",
   "marking": "`SensorR_20241125_V09`, circled `R`, Pb-free [clear; R glyph faint]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (function)",
   "source": "CRL IP6 p38-p39 = CRR IP6 p35-p36",
   "notes": "Two sensor boards, not four: each is photographed front and back.",
   "image": "../images/fcc/parts/tkx-01b.jpg",
   "image_source": "CRL IP6 p39, lower photo (= CRR IP6 p36)"
  },
  {
   "id": "TKX-05",
   "section": "boards",
   "location": "Track pogo board",
   "part_number": "`Track_Pogo_Pin_20241122_V08`",
   "manufacturer": "Custom PCB",
   "function": "Module-side dock contact board, about 17 x 10 mm (INFERRED)",
   "marking": "`Track_Pogo_Pin_20241122_V08`, Pb-free; date stamp `25 1?` [name clear; stamp partial]",
   "verdict": "corrected",
   "verdict_note": "Revision V08 confirmed on three views; the stamp's `14` reading is not confirmed (U-TKX-05b)",
   "tag": "DOC",
   "source": "CRL IP6 p38, p40 = CRR IP6 p35, p37; CRL IP6 p37 = CRR IP5 p34 (in the base)",
   "notes": "",
   "image": "../images/fcc/parts/tkx-05.jpg",
   "image_source": "CRL IP6 p40, lower photo (= CRR IP6 p37)"
  },
  {
   "id": "TKX-09",
   "section": "boards",
   "location": "Track dock interposer board",
   "part_number": "no name visible",
   "manufacturer": "Custom PCB",
   "function": "Separate small board between the pogo contacts and the main board's two 4-way sockets",
   "marking": "`J11` 4-pin male header (`GND`, `RX`, `TX` + 1 unlabeled pin); `J4` 4-pin header (`ON`, `5V`, `GND` + 1 unlabeled); `BOOT1` pad; `C39`, `C47`, `C51`, `C52`, `D40`, `D44` (partial), `D75`; QR sticker [clear except where marked]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP6 p40 = CRR IP6 p37 (upper photo)",
   "notes": "A dark SOT/DFN part sits in the lower row; its `U41` refdes is not legible (U-TKX-09b).",
   "image": "../images/fcc/parts/tkx-09.jpg",
   "image_source": "CRL IP6 p40, upper photo (= CRR IP6 p37)"
  },
  {
   "id": "HM-04",
   "section": "half-main",
   "location": "`U2`, both halves, under a cut-out in white foam",
   "part_number": "nRF52840, package code CKAA (WLCSP, about 3.5 x 3.6 mm; about 4 mm with underfill), build code D0",
   "manufacturer": "Nordic Semiconductor",
   "function": "BLE SoC: 2.4 GHz radio, native USB 2.0 full-speed device, 1 MB flash, 256 KB RAM, QSPI host",
   "marking": "`N528…` / `CKAAD0` / `2301ME` on both halves [line 1 partial: `N528` plus one or two partly hidden glyphs; lines 2-3 clear]",
   "verdict": "confirmed",
   "verdict_note": "Identity rests on package code CKAA, conducted power and native USB with no second MCU, not on line 1; one verification pass read line 1 as `N52840` after gamma correction",
   "tag": "DOC (marking; CKAA = nRF52840 WLCSP per distributor listings); INFERRED (D0 = Revision 2)",
   "source": "CRL IP1 p10 (two close-ups), p7, p9; CRR IP1 p8; transmit data CRL BLE p13, CRR BLE p13",
   "notes": "Build code D0 matches Nordic's Revision 2 pattern; Revision 3 (hardened APPROTECT) uses Fx0 (INFERRED from Nordic DevZone; confirm in Nordic's revision document, OQ-05). Same lot `2301ME` as the dongle. Conducted peak 8.2-9.3 dBm at power setting 8 is above an nRF52811's +4 dBm (INFERRED).",
   "image": "../images/fcc/parts/hm-04.jpg",
   "image_source": "CRL IP1 p10, upper photo (left half; rotated 32 degrees so the marking reads level)"
  },
  {
   "id": "HM-07",
   "section": "half-main",
   "location": "`Y1`, both halves, beside U2",
   "part_number": "32.000 MHz crystal, 4-pad metal lid, about 2.0 x 1.6 mm (2016 class)",
   "manufacturer": "not identified (`YC` prefix; no marking-database match)",
   "function": "nRF52840 32 MHz HFXO (radio clock)",
   "marking": "`YC32.0` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (marking); INFERRED (size)",
   "source": "CRL IP1 p10, p7; CRR IP1 p8",
   "notes": "Same marking on the dongle (DG-06).",
   "image": "../images/fcc/parts/hm-07.jpg",
   "image_source": "CRR IP1 p8, upper photo (right half; shows the Y1 refdes; rotated 25 degrees)"
  },
  {
   "id": "HM-09",
   "section": "half-main",
   "location": "`U1`, both halves, at the USB-C corner",
   "part_number": "not read (Winbond serial NOR flash; W25Q family INFERRED from a `Q` on line 2)",
   "manufacturer": "Winbond",
   "function": "External QSPI NOR flash on the nRF52840 QSPI bus",
   "marking": "Right: line 1 `winbond` [clear], lines 2-4 [illegible to partial, see U-HM-09b]; left: square leadless IC beside `QSPI_CLK` [illegible]; package 8-pad leadless USON/WSON class, about 4 mm square, not SOIC-8",
   "verdict": "confirmed",
   "verdict_note": "Maker and package confirmed; part number unverifiable",
   "tag": "DOC",
   "source": "CRR IP1 p8; CRL IP1 p9",
   "notes": "Part number and capacity unverifiable (U-HM-09b, U-HM-10). The package is leadless, so a SOIC-8 clip does not fit; only the Winbond wordmark is confirmed (no W25Q suffix, no capacity).",
   "image": "../images/fcc/parts/hm-09.jpg",
   "image_source": "CRR IP1 p8, lower photo (right half; rotated so the winbond wordmark reads upright)"
  },
  {
   "id": "HM-11",
   "section": "half-main",
   "location": "QSPI test pads beside U1",
   "part_number": "test pads",
   "manufacturer": "-",
   "function": "nRF52840 QSPI bus to U1",
   "marking": "Left: `QSPI_CS`, `QSPI_CLK`, `QSPI_SIO0`, `QSPI_SIO1`; right: `QSPI_CS?`, `QSPI_CLK`, `QSPI_SIO0`, `QSPI_SIO3` [clear except the right CS suffix]",
   "verdict": "corrected",
   "verdict_note": "Right-half SIO digits now legible (were `SIO?` x2)",
   "tag": "DOC",
   "source": "CRL IP1 p9; CRR IP1 p8",
   "notes": "",
   "image": "../images/fcc/parts/hm-11.jpg",
   "image_source": "CRR IP1 p8, lower photo (right half; rotated 180 degrees)"
  },
  {
   "id": "HM-12",
   "section": "half-main",
   "location": "`ANT`, both halves, rear-inner corner beside USB-C",
   "part_number": "RF0400A (spec ver1.1)",
   "manufacturer": "Boen (Dongguan Boen Intelligent Technology Co., Ltd.)",
   "function": "2.4 GHz printed meander PCB antenna, connector N/A; peak 0.8 dBi at 2400 MHz; -0.3 to 0.8 dBi and 46.1-63.0 % efficiency over 2400-2480 MHz; trace 7.8 x 3.2 mm (spec drawing)",
   "marking": "Silkscreen `ANT`; lab callout 'Ant.'; spec header 'keyboard antenna RF0400A specification ver1.1'; filed 'BOEN RF0400A PCB N/A 0.8' [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL ANT p1 (table), p4 (drawing); CRR ANT; CRL IP1 p7; CRR EP p3; CRL BLE p11; CRR BLE p11; CRR MPE p4; CRL MPE p4",
   "notes": "Sits behind the black end cap (EN-06; the vendor confirms the cap is the RF window). The spec's 'Directivity' column equals minus efficiency in dB (spreadsheet error). The R01 reports file 0.8 dBi (the 2400 MHz maximum); the left half's MPE report R00, never revised, files 0.59 dBi (the 2460 MHz value), and the right half's superseded R00 most likely did too (INFERRED).",
   "image": "../images/fcc/parts/hm-12.jpg",
   "image_source": "CRL IP1 p7, lower photo (left half, with the lab's 'Ant.' callout)"
  },
  {
   "id": "HM-13",
   "section": "half-main",
   "location": "`USB1`, rear-inner corner facing the other half",
   "part_number": "USB Type-C receptacle, unmarked",
   "manufacturer": "not identified",
   "function": "Half USB port: power and USB 2.0 full-speed data",
   "marking": "No marking; oval metal shell, through-hole shell legs, a row of SMT legs [clear shape]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP1 p6, p7, p9; CRR IP1 p8; CRL EP p4; CRR EP p4; CRR UM1 p6",
   "notes": "16-pin vs 24-pin class not resolvable (U-HM-13b).",
   "image": "../images/fcc/parts/hm-13.jpg",
   "image_source": "CRR IP1 p8, upper photo (right half; shows the SMT leg row)"
  },
  {
   "id": "HM-14",
   "section": "half-main",
   "location": "SWD and USB test pads at the USB-C corner",
   "part_number": "test pads",
   "manufacturer": "-",
   "function": "nRF52840 Serial Wire Debug; USB D+ test point",
   "marking": "Left: `SWDIO`, `SWDCLK`, `TP1`, `TP7`, `USB`, `D+`; right: `SWDIO`, `SWDCLK`, `TP2` [clear]; `D-` not visible in any crop",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP1 p7, p9; CRR IP1 p8",
   "notes": "A re-view of the right-half crop (2026-09-23) also shows a `D+` label and one beginning `US` on the right, so both halves most likely carry the same debug and USB test-pad set; `D-` is still not seen on either.",
   "image": "../images/fcc/parts/hm-14.jpg",
   "image_source": "CRL IP1 p7, lower photo (left half)"
  },
  {
   "id": "HM-15",
   "section": "half-main",
   "location": "`S2` and pads `RST_NORDIC`, `BOOT`",
   "part_number": "tactile switch, yellow cap, unmarked",
   "manufacturer": "not identified",
   "function": "nRF52840 reset button; `BOOT` pad function not documented",
   "marking": "`S2`, `RST_NORDIC`, `BOOT` [clear; `BOOT` may read `BOOT1`, U-HM-15b]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP1 p9; CRR IP1 p7 (switch through a window, no refdes)",
   "notes": "The silkscreen `RST_NORDIC` names the SoC vendor.",
   "image": "../images/fcc/parts/hm-15.jpg",
   "image_source": "CRL IP1 p9, upper photo (left half; rotated 180 degrees)"
  },
  {
   "id": "HM-16",
   "section": "half-main",
   "location": "USB, VBUS and CC protection around USB1",
   "part_number": "ESD/TVS parts, unmarked",
   "manufacturer": "not identified",
   "function": "ESD and surge protection on USB and VBUS; `L1`/`L4` beside U2 are probably the nRF DC/DC and RF-match positions (INFERRED)",
   "marking": "Refs (subset per half): `ESD1`-`ESD11`, `TVS7`, `TVS27`, `TVS34`, `TVS35`, `TVS37`, `TVS38`, `TVS40`, `L1`, `L2`, `L4`, R and C refs, `TP2` [refs clear; parts unmarked]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP1 p7, p9, p10; CRR IP1 p8",
   "notes": "",
   "image": "../images/fcc/parts/hm-16.jpg",
   "image_source": "CRR IP1 p8, upper photo (right half)"
  },
  {
   "id": "HP-01",
   "section": "half-main",
   "location": "`L11` (left), with an adjacent unmarked IC",
   "part_number": "0.47 uH SMD power inductor (EIA code `R47`)",
   "manufacturer": "not identified",
   "function": "Switching-regulator inductor (DC-DC 1, INFERRED from the paired IC)",
   "marking": "Inductor body `R47` [clear]; adjacent 4-6 pad IC with pin-1 dot [illegible]",
   "verdict": "corrected",
   "verdict_note": "Value is a direct decode of the printed EIA code (was tagged INFERRED)",
   "tag": "DOC",
   "source": "CRL IP1 p9",
   "notes": "The IC is U-HP-01b.",
   "image": "../images/fcc/parts/hp-01.jpg",
   "image_source": "CRL IP1 p9, upper photo (rotated 180 degrees)"
  },
  {
   "id": "HP-02",
   "section": "half-main",
   "location": "`L10` (left), with `U10`",
   "part_number": "2.2 uH SMD power inductor (EIA code `2R2`)",
   "manufacturer": "not identified",
   "function": "Switching-regulator inductor (DC-DC 2, INFERRED)",
   "marking": "Inductor `2R2` [clear]; `U10` 6-lead SOT-23-6 [illegible]",
   "verdict": "corrected",
   "verdict_note": "Value decoded from the printed code",
   "tag": "DOC",
   "source": "CRL IP1 p9",
   "notes": "U10 is U-HP-02b.",
   "image": "../images/fcc/parts/hp-02.jpg",
   "image_source": "CRL IP1 p9, upper photo (rotated 180 degrees)"
  },
  {
   "id": "HP-05",
   "section": "half-main",
   "location": "`C42`, `C43` (left), beside `TVS45`",
   "part_number": "polarised molded chip capacitors (tantalum or polymer class)",
   "manufacturer": "not identified",
   "function": "Bulk capacitance",
   "marking": "Refs `C42`, `C43`; `+` printed on each case; end band [clear]; no value code",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP1 p9",
   "notes": "",
   "image": "../images/fcc/parts/hp-05.jpg",
   "image_source": "CRL IP1 p9, upper photo (rotated 180 degrees)"
  },
  {
   "id": "HP-09",
   "section": "half-main",
   "location": "Diode and TVS arrays (left)",
   "part_number": "small signal diodes and TVS parts, unmarked",
   "manufacturer": "not identified",
   "function": "Key-matrix diodes and line protection",
   "marking": "`D3`-`D47` and `TVS3`-`TVS88` (subsets) [refs clear; parts unmarked]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP1 p8, p9",
   "notes": "",
   "image": "../images/fcc/parts/hp-09.jpg",
   "image_source": "CRL IP1 p9, upper photo (D34, D36; rotated 180 degrees)"
  },
  {
   "id": "HP-11",
   "section": "half-main",
   "location": "Pads at the dock-flex exit (left)",
   "part_number": "test pads",
   "manufacturer": "-",
   "function": "Half-to-module UART, 5 V pogo rail, module LDO enable (roles from the names)",
   "marking": "`LDO_ON`, `TX`, `RX`, `POGOPIN_5V` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (roles)",
   "source": "CRL IP1 p9",
   "notes": "Full dock net set: PD-13.",
   "image": "../images/fcc/parts/hp-11.jpg",
   "image_source": "CRL IP1 p9, upper photo (rotated 180 degrees)"
  },
  {
   "id": "HP-12",
   "section": "half-main",
   "location": "Power and rail test pads",
   "part_number": "test pads",
   "manufacturer": "-",
   "function": "Switched module, LED and 5 V rails; ADC sense points (INFERRED from names)",
   "marking": "`VBUS_5V`, `USB_ADC`, `BAT_ADC`, `SYS`, `SYS_OUT`, `5V_OUT`, `5V_OFF`, `5V_OFF1`, `MODULE_ON`, `VCC_A?T`, `CHG_?NT`, `LED_PWR_5V`, `LED_OFF`, `LED_01`, `LED_02`, `LED_0?`, `GND1`, `GND`, `INT`, `MARK1`, `MARK2` (left); `VBUS_5V` (right) [clear except `?`]",
   "verdict": "confirmed",
   "verdict_note": "Subset re-read (`5V_OFF1`, `MODULE_ON`, `VBUS_5V`); rest uncontradicted",
   "tag": "DOC",
   "source": "CRL IP1 p9; CRR IP1 p8",
   "notes": "",
   "image": "../images/fcc/parts/hp-12.jpg",
   "image_source": "CRL IP1 p9, upper photo (MODULE_ON, 5V_OFF1, SYS_OUT, LED_OFF, BOOT; rotated 180 degrees)"
  },
  {
   "id": "HP-13",
   "section": "half-main",
   "location": "Key-matrix test pads",
   "part_number": "test pads",
   "manufacturer": "-",
   "function": "Switch rows (`SR`) and columns (`SC`) (INFERRED from names)",
   "marking": "`SR1`-`SR5`, `SC1`-`SC6` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP1 p9",
   "notes": "The dock board continues the scheme (`SR*_2`, `SC8_2`).",
   "image": "../images/fcc/parts/hp-13.jpg",
   "image_source": "CRL IP1 p9, upper photo (SR1, SC1, SC3, SC4; rotated 180 degrees)"
  },
  {
   "id": "HP-14",
   "section": "half-main",
   "location": "Per-key LEDs, 24 per mainboard",
   "part_number": "addressable RGB LED, 4-pad, unmarked",
   "manufacturer": "not identified",
   "function": "Per-key RGB backlight, daisy-chained (no LED driver IC on either face); spec sheet 'Backlighting: Reprogrammable RGB'",
   "marking": "Refs `LED4`, `LED6`-`LED8`, `LED14`, `LED15`, `LED21`, `LED22`, `LED29`, `LED30`; pad letters `O`, `G`, `I`, `+` (right) and `-`, `+`, `G`, `O` (left) [refs clear; LED body unmarked]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (footprint, pads); INFERRED (WS2812/SK6812 class)",
   "source": "CRL IP1 p8, p9; CRR IP1 p6; CRR UM1 p3",
   "notes": "LED part numbers: U-LED.",
   "image": "../images/fcc/parts/hp-14.jpg",
   "image_source": "CRR IP1 p8, upper photo (LED7 on the right mainboard; same footprint on both halves)"
  },
  {
   "id": "HP-15",
   "section": "half-main",
   "location": "LED chain, whole keyboard",
   "part_number": "-",
   "manufacturer": "-",
   "function": "Host LED map, 136 entries per layer: 0-73 keys; 74-80 and 81-87 the two side light bars (7 each); 88-111 left bay block (24); 112-135 right bay block (24)",
   "marking": "n/a (host and firmware data)",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "MEASURED (band-painting pass 2026-09-08; map size on keyboard firmware 3.41.0 and 3.28.7)",
   "source": "measured on one keyboard: LED band-painting pass 2026-09-08; LED map size on keyboard firmware 3.41.0 and 3.28.7",
   "notes": "Photo count per half: 24 mainboard + 10 wing + 3 dock = 37 key LEDs, plus 7 side-bar LEDs = 44; two halves = 88 = indices 0-87 (INFERRED match). Which physical edge is 74-80 is open (OQ-08).",
   "image": "../images/fcc/boards/half-mainboard-left-switch-side.jpg",
   "image_source": "board view: CRL IP1 p9"
  },
  {
   "id": "HP-16",
   "section": "half-main",
   "location": "Key positions on the mainboard",
   "part_number": "hot-swap socket footprints (24 per mainboard)",
   "manufacturer": "-",
   "function": "24 hot-swap key positions per mainboard",
   "marking": "Refs `SW6`, `SW7`, `SW14`, `SW15`, `SW21`, `SW22`, `SW29`, `SW30`, `SW35`; two socket pads per window [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP1 p8, p9; CRR IP1 p6",
   "notes": "Socket part: U-EN-02.",
   "image": "../images/fcc/parts/hp-16.jpg",
   "image_source": "CRR IP1 p8, upper photo (SW7 window with its socket pads)"
  },
  {
   "id": "HP-17",
   "section": "half-main",
   "location": "Wing FPC receptacle (left), beside `TVS53`-`TVS63`",
   "part_number": "flip-lock ZIF/FPC receptacle, unmarked",
   "manufacturer": "not identified",
   "function": "Link to the wing board's flex",
   "marking": "White/clear ZIF, about 12-14 gold contacts [countable, not exact]",
   "verdict": "corrected",
   "verdict_note": "Way count refined from 'not countable'",
   "tag": "DOC",
   "source": "CRL IP1 p9",
   "notes": "",
   "image": "../images/fcc/parts/hp-17.jpg",
   "image_source": "CRL IP1 p9, upper photo (rotated 180 degrees)"
  },
  {
   "id": "HP-18",
   "section": "half-main",
   "location": "Dock-link flex tail at a white board connector (ref consistent with `CN3`)",
   "part_number": "flex cable, unmarked",
   "manufacturer": "-",
   "function": "Mainboard to dock board link; right half shows two amber tails (to wing and to dock)",
   "marking": "Gold/amber flex, about 12-13 conductors, beside the `TX`/`RX`/`POGOPIN_5V`/`LDO_ON` pads [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (destinations)",
   "source": "CRL IP1 p8, p9; CRR IP1 p6, p7",
   "notes": "",
   "image": "../images/fcc/parts/hp-18.jpg",
   "image_source": "CRL IP1 p9, upper photo (rotated 180 degrees)"
  },
  {
   "id": "HP-19",
   "section": "half-main",
   "location": "Case ground lands (left)",
   "part_number": "bare gold lands",
   "manufacturer": "-",
   "function": "Case or shield ground contact (INFERRED)",
   "marking": "Large rectangular gold pad(s); round metal boss near `ESD12` (not re-checked)",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (function)",
   "source": "CRL IP1 p9",
   "notes": "",
   "image": "../images/fcc/parts/hp-19.jpg",
   "image_source": "CRL IP1 p9, upper photo (gold land and the round boss; rotated 180 degrees)"
  },
  {
   "id": "HP-20",
   "section": "half-main",
   "location": "Insulation over the component side",
   "part_number": "black film with windows; white foam layer",
   "manufacturer": "-",
   "function": "Assembly insulation; the foam has a rectangular cut-out exactly over U2",
   "marking": "Black film with windows and red handwriting (not transcribed); white foam with cut-out [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP1 p8, p10; CRR IP1 p7",
   "notes": "",
   "image": "../images/fcc/parts/hp-20.jpg",
   "image_source": "CRL IP1 p10, lower photo (white foam with the cut-out over U2, black film)"
  },
  {
   "id": "WG-03",
   "section": "wing",
   "location": "Wing outer end face; right wing: between side-bar LEDs 6 and 7",
   "part_number": "right-angle SMD slide switch, 3 terminals + 2 tabs, unmarked",
   "manufacturer": "not identified",
   "function": "Half power on/off switch ('Locate the power switch on the side of each keyboard wing')",
   "marking": "No designator or marking on the switch [clear shape]; white body, gray lever past the board edge (right); the nearby `SW33` is a key",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP1 p12; CRR IP1 p9; CRL EP p4; CRR EP p4; CRR UM1 p5",
   "notes": "ON/OFF direction not determinable (manual drawings CRR UM1 p5 and UM2 p3 disagree). Candidate part: U-WG-03b.",
   "image": "../images/fcc/parts/wg-03.jpg",
   "image_source": "CRL IP1 p12, upper photo (left wing; rotated 180 degrees)"
  },
  {
   "id": "WG-04",
   "section": "wing",
   "location": "Per-key LEDs, 10 per wing",
   "part_number": "addressable RGB LED, 4-pad, unmarked",
   "manufacturer": "not identified",
   "function": "Wing key backlight, same footprint as HP-14",
   "marking": "`LED36`-`LED45` (read `LED36`, `LED38`-`LED42`, `LED44`); pads `O`, `G`, `I`, `+` [refs clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (class)",
   "source": "CRL IP1 p11, p12",
   "notes": "",
   "image": "../images/fcc/parts/wg-04.jpg",
   "image_source": "CRL IP1 p12, upper photo (LED42-LED44; rotated 180 degrees)"
  },
  {
   "id": "WG-05",
   "section": "wing",
   "location": "Side light bar on one long edge of wing face B",
   "part_number": "7 addressable 4-pad LEDs",
   "manufacturer": "not identified",
   "function": "The half's side light bar (LED indices 74-80 / 81-87)",
   "marking": "Exactly 7 LEDs in a row, pads `O`, `G`, `+`; partial ref `LED56` at one end; slide switch between the 6th and 7th [clear count]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; MEASURED (7 per side in the LED map, 2026-09-08)",
   "source": "CRR IP1 p9; measured on one keyboard (LED map, 7 side-bar indices per half, 2026-09-08)",
   "notes": "The left wing's face B is under black film.",
   "image": "../images/fcc/parts/wg-05.jpg",
   "image_source": "CRR IP1 p9, lower photo (right wing face B)"
  },
  {
   "id": "WG-06",
   "section": "wing",
   "location": "Key windows, 10 per wing",
   "part_number": "hot-swap socket footprints",
   "manufacturer": "-",
   "function": "10 wing key positions, same numbering mirrored on both wings",
   "marking": "`SW1`, `SW2`, `SW9`, `SW10`, `SW16`, `SW17`, `SW23`, `SW24`, `SW32`, `SW33` on each wing [clear]",
   "verdict": "corrected",
   "verdict_note": "Same designators on both wings (was read as right-wing only)",
   "tag": "DOC",
   "source": "CRL IP1 p11; CRR IP1 p9",
   "notes": "",
   "image": "../images/fcc/parts/wg-06.jpg",
   "image_source": "CRL IP1 p11, upper photo (left wing switch side; SW1, SW2, SW9, SW10, stamp 25 15)"
  },
  {
   "id": "WG-07",
   "section": "wing",
   "location": "Wing flex and connector",
   "part_number": "flex + FPC connector `J5` (left); ZIF in a central window (right)",
   "manufacturer": "not identified",
   "function": "Wing to mainboard link (mates HP-17)",
   "marking": "Left: orange/brown flex, about 12 conductors, red/white sticker, into `J5`; right: small white ZIF [clear]",
   "verdict": "confirmed",
   "verdict_note": "New refdes `J5`",
   "tag": "DOC",
   "source": "CRL IP1 p12; CRR IP1 p9",
   "notes": "",
   "image": "../images/fcc/parts/wg-07.jpg",
   "image_source": "CRL IP1 p12, upper photo (left wing flex into J5)"
  },
  {
   "id": "WG-08",
   "section": "wing",
   "location": "Wing passives and fiducials",
   "part_number": "passives, fiducials",
   "manufacturer": "-",
   "function": "Support parts around the slide switch and corners",
   "marking": "Left: `MARK1`, `C32`, `R55`, `R62`, `R99`, `TVS44`; right: `MARK3`, `MARK4`, resistor cluster `R56`-`R60` [clear]",
   "verdict": "confirmed",
   "verdict_note": "`R36` not found (Rejected R-40)",
   "tag": "DOC",
   "source": "CRL IP1 p12; CRR IP1 p9",
   "notes": "",
   "image": "../images/fcc/parts/wg-08.jpg",
   "image_source": "CRL IP1 p12, upper photo (R55, R62, R99, TVS44, C33; rotated 180 degrees)"
  },
  {
   "id": "DK-03",
   "section": "dock",
   "location": "Thumb-key LEDs, 3 per dock board",
   "part_number": "addressable RGB LED, unmarked",
   "manufacturer": "not identified",
   "function": "Thumb-key backlight (addressable, INFERRED from `LED_D7_1` data and `LED_PWR_5V_2` pads)",
   "marking": "Left: 3 black square packages about 2 mm; right: 3 four-pad LEDs on face B; faint 1-2 character top mark [illegible]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (class)",
   "source": "CRL IP2 p16; CRR IP1 p12",
   "notes": "",
   "image": "../images/fcc/parts/dk-03.jpg",
   "image_source": "CRL IP2 p16, lower photo: the 3 thumb-key LEDs on the LED face (left board)"
  },
  {
   "id": "DK-04",
   "section": "dock",
   "location": "Thumb-key positions, 3 per dock board",
   "part_number": "hot-swap sockets (6 unmarked metal parts, 2 per window)",
   "manufacturer": "not identified (Kailh-compatible class INFERRED)",
   "function": "Three hot-swap thumb-key positions",
   "marking": "3 windows, 2 slotted pads each; 6 silver parts about 3 x 1.3 mm on both faces [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (manual: 'Hot-Swappable Switches', 'sockets'); INFERRED (the metal parts are the sockets)",
   "source": "CRL IP2 p16; CRL IP1 p7; CRR IP1 p12; CRR UM3 p4",
   "notes": "",
   "image": "../images/fcc/parts/dk-04.jpg",
   "image_source": "CRR IP1 p12, lower photo: 3 windows with the 6 socket parts (right board)"
  },
  {
   "id": "DK-05",
   "section": "dock",
   "location": "`D25`, `D31`, `D37`",
   "part_number": "small signal diodes, unmarked",
   "manufacturer": "not identified",
   "function": "One key diode per thumb key (INFERRED)",
   "marking": "Three identical unmarked 2-terminal parts beside `TVS31` [refs clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (role)",
   "source": "CRL IP2 p16; CRR IP1 p12",
   "notes": "",
   "image": "../images/fcc/parts/dk-05.jpg",
   "image_source": "CRR IP1 p12, upper photo: the three stacked diodes with the TVS31/D31/D37/D25 labels (right board)"
  },
  {
   "id": "DK-06",
   "section": "dock",
   "location": "TVS array",
   "part_number": "TVS parts, unmarked",
   "manufacturer": "not identified",
   "function": "ESD protection on every dock and key line",
   "marking": "`TVS1`, `TVS2`, `TVS4`, `TVS5`, `TVS9`, `TVS22`, `TVS23`, `TVS25`, `TVS28`-`TVS32` (union of both boards) [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP2 p16; CRR IP1 p12",
   "notes": "",
   "image": "../images/fcc/parts/dk-06.jpg",
   "image_source": "CRR IP1 p12, upper photo: TVS9, TVS23, TVS25, TVS28, TVS32 and neighbors (right board)"
  },
  {
   "id": "DK-07",
   "section": "dock",
   "location": "FPC connectors: `J7` + an unlabeled ZIF (left); `J7` + angled `J4` (right)",
   "part_number": "flip-lock FPC ZIF receptacles, unmarked",
   "manufacturer": "not identified",
   "function": "One takes the mainboard flex, one the pogo flex (right: `J4` takes the pogo flex, INFERRED from routing)",
   "marking": "Cream/white bodies, gold contact combs, about 10-16 contacts [count not exact]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (mating)",
   "source": "CRL IP2 p16; CRR IP1 p12",
   "notes": "",
   "image": "../images/fcc/parts/dk-07.jpg",
   "image_source": "CRR IP1 p12, upper photo: the J4 end (top) and J7 end (bottom) stacked (right board)"
  },
  {
   "id": "DK-08",
   "section": "dock",
   "location": "Polarised part between `TVS1` and `R70`",
   "part_number": "polarised chip capacitor, tantalum or polymer class, unmarked",
   "manufacturer": "not identified",
   "function": "Bulk capacitance",
   "marking": "Black molded body, wraparound end terminations, `+` on the silkscreen above [clear]",
   "verdict": "confirmed",
   "verdict_note": "Identity narrowed from 'capacitor or diode'",
   "tag": "DOC; INFERRED (class)",
   "source": "CRR IP1 p12; CRL IP2 p16",
   "notes": "",
   "image": "../images/fcc/parts/dk-08.jpg",
   "image_source": "CRR IP1 p12, upper photo: black polarised part under the + mark (right board)"
  },
  {
   "id": "DK-10",
   "section": "dock",
   "location": "Dock-board test pads",
   "part_number": "test pads",
   "manufacturer": "-",
   "function": "UART to the module, boot select, module battery rail, LDO enable, USB-derived 5 V, thumb-key matrix lines, LED data and power",
   "marking": "`TX_1`, `RX_1`, `BOOT_1`, `MZ_VBAT_1`, `LDO_ON_1`, `USB_5V_2`, `GND3`; `SR1_2` (partial), `SR3_2`, `SR4_2`, `SR5_2`, `SC8_2`; `LED_D7_1`, `LED_PWR_5V_2`; `R70`, `R71`, `C14`, `C22`, `C27`-`C30`, `C52`, `C111`, `C114`, `C115` [clear except where marked]; no `D+`/`D-` anywhere",
   "verdict": "confirmed",
   "verdict_note": "`MZ_VBAT_1` (not `M2_VBAT_1`) and `LDO_ON_1` resolved",
   "tag": "DOC; INFERRED (roles)",
   "source": "CRL IP2 p16; CRR IP1 p12",
   "notes": "",
   "image": "../images/fcc/parts/dk-10.jpg",
   "image_source": "CRL IP2 p16, upper photo (rotated 180 degrees): LDO_ON_1, MZ_VBAT_1, TX_1, GND3, BOOT_1, USB_5V_2 (left board)"
  },
  {
   "id": "PD-03",
   "section": "pogo",
   "location": "Pogo board contact face, on the straight chord of the bay opening (both halves)",
   "part_number": "8-position spring (pogo) pin block, unmarked",
   "manufacturer": "not identified",
   "function": "Half-side module dock contacts; pins stand proud on the half, the modules carry the mating pads",
   "marking": "8 gold domed pins, 2 staggered rows of 4, black insulator, 8 through-hole joints [clear count]; no marking",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP2 p15; CRL IP1 p5, p7; CRR IP2 p13; CRR IP1 p5, p6; CRL EP p2-p4; CRR EP p2-p4; CRL BLE p35; CRR BLE p35; CRR UM2 p2",
   "notes": "Identical count on both halves and on every module (TUM-20, TCX-09, TKX-07).",
   "image": "../images/fcc/parts/pd-03.jpg",
   "image_source": "CRR IP2 p13, upper photo: 8 domed pins in 2 rows of 4 (right pogo board; the left twin is on CRL IP2 p15)"
  },
  {
   "id": "PD-05",
   "section": "pogo",
   "location": "Pogo board pad labels",
   "part_number": "silkscreen pads",
   "manufacturer": "-",
   "function": "Same signal family as the dock board",
   "marking": "Left back: `GND_4`, `BOOT_2`, `MZ_VBAT`, `RX_2`, `…_ON1` (candidate `LDO_ON1`); right back: `GND_4`, `BOOT_2`, `5V_1`, `RX_2`; right pin face: `?ND`, `TX`, `USB_5V` [clear except where marked]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP2 p15; CRR IP2 p13",
   "notes": "Pin-to-signal mapping not resolvable (OQ-09).",
   "image": "../images/fcc/parts/pd-05.jpg",
   "image_source": "CRR IP2 p13, lower photo: back-face pad labels GND, BOOT_2, 5V_1, IO_ON1, VBAT (right board)"
  },
  {
   "id": "PD-06",
   "section": "pogo",
   "location": "ESD diodes on the pogo board",
   "part_number": "small diodes, unmarked",
   "manufacturer": "not identified",
   "function": "ESD/TVS on the exposed dock lines (INFERRED)",
   "marking": "Left: 5 parts with diode symbols (refs `D19`...`D38`); right: 6 parts (`D39`, `D40`, `D41`, `D75`, `D3?`); edge text `?0010` [counts clear; refs partial]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (role)",
   "source": "CRL IP2 p15; CRR IP2 p13",
   "notes": "",
   "image": "../images/fcc/parts/pd-06.jpg",
   "image_source": "CRR IP2 p13, upper photo (rotated 180 degrees): D38, D75, D44, D41, D40, D39 (right board)"
  },
  {
   "id": "PD-07",
   "section": "pogo",
   "location": "Pogo board connectors",
   "part_number": "flex termination / connector",
   "manufacturer": "-",
   "function": "Pogo flex termination (INFERRED)",
   "marking": "Left: `J1` under a white sticker (red text fragment `le`), second ref `J5` or `J3`; right: `J3` [clear] beside a round cut-out, white block at the flex exit",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP2 p15; CRR IP2 p13",
   "notes": "",
   "image": "../images/fcc/parts/pd-07.jpg",
   "image_source": "CRL IP2 p15, upper photo: J1 under its printed red-and-white sticker, flex exit (left board)"
  },
  {
   "id": "PD-08",
   "section": "pogo",
   "location": "Pogo flex",
   "part_number": "black flat flex about 50 mm with stiffener",
   "manufacturer": "-",
   "function": "Pogo board to dock board (right: into dock `J4`, INFERRED)",
   "marking": "Right flex printed `R`; fingers: left about 12 (estimate), right about 7 visible [counts partial]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (counts, routing)",
   "source": "CRL IP2 p15; CRL IP1 p5; CRR IP2 p13; CRR IP1 p5, p6",
   "notes": "",
   "image": "../images/fcc/parts/pd-08.jpg",
   "image_source": "CRR IP2 p13, upper photo: black flex with its gold-finger tail (right)"
  },
  {
   "id": "PD-09",
   "section": "pogo",
   "location": "Module-bay bracket (both halves)",
   "part_number": "metal frame with circular opening and two hinge lugs; 5 rectangular blocks",
   "manufacturer": "not identified",
   "function": "Carries the dock and pogo boards; the 5 blocks did not attract a steel paper clip, so they are not magnets (MEASURED on one board, 2026-09-23; identity INFERRED from the test)",
   "marking": "5 rectangular blocks around the opening on each half [clear count]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; MEASURED (paper-clip test)",
   "source": "CRL IP1 p5; CRR IP1 p5",
   "notes": "",
   "image": "../images/fcc/parts/pd-09.jpg",
   "image_source": "CRL IP1 p5, upper photo: bay bracket with its 5 rectangular blocks"
  },
  {
   "id": "PD-10",
   "section": "pogo",
   "location": "Magnet carrier plate under the bay bracket (left)",
   "part_number": "black plate with circular opening; at least 4 magnet-colored blocks",
   "manufacturer": "not identified",
   "function": "4 of the 6 module-bay magnets (MEASURED: paper-clip test on one board, 2026-09-23)",
   "marking": "4 silver blocks like PD-09 [clear]; 6-8 darker rectangular segments of unknown material",
   "verdict": "corrected",
   "verdict_note": "Count narrowed from 'at least 6' to 'at least 4'",
   "tag": "DOC; MEASURED (paper-clip test)",
   "source": "CRL IP1 p5",
   "notes": "",
   "image": "../images/fcc/parts/pd-10.jpg",
   "image_source": "CRL IP1 p5, upper photo: black magnet carrier plate with the silver blocks"
  },
  {
   "id": "PD-11",
   "section": "pogo",
   "location": "Two features flanking the contact block on the chord",
   "part_number": "small light oblong/round features",
   "manufacturer": "-",
   "function": "Magnets or locating features (not determinable); 2 of the 6 module-bay magnets, one on either side of the contact block (MEASURED: paper-clip test on one board, 2026-09-23)",
   "marking": "Present on both halves [clear presence]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; MEASURED (paper-clip test)",
   "source": "CRL EP p2-p4; CRR EP p2-p3; CRL BLE p35; CRR BLE p35; CRR SRD p34; CRR UM2 p2",
   "notes": "",
   "image": "../images/fcc/parts/pd-11.jpg",
   "image_source": "CRR EP p3, upper photo: the contact block with one light feature above it and one below"
  },
  {
   "id": "PD-12",
   "section": "pogo",
   "location": "Dock opening in the half",
   "part_number": "circular through-cutout with one straight chord",
   "manufacturer": "-",
   "function": "Module bay: contacts on the chord; modules pressed up 'through the module dock cutout'",
   "marking": "Small round features on the bore wall (raised or recessed, not determinable) [clear shape]",
   "verdict": "confirmed",
   "verdict_note": "Wording refined ('bumps' to 'round features')",
   "tag": "DOC",
   "source": "CRR EP p2, p3; CRR UM2 p2",
   "notes": "",
   "image": "../images/fcc/parts/pd-12.jpg",
   "image_source": "CRR EP p3, upper photo: the dock opening with its straight chord and the contacts"
  },
  {
   "id": "PD-13",
   "section": "pogo",
   "location": "Dock link net set (half side and module side)",
   "part_number": "-",
   "manufacturer": "-",
   "function": "UART (`TX`/`RX`), boot select (`BOOT`, `BOOT1`), module battery rail (`MZ_VBAT`/`VBAT`), 5 V feed (`USB_5V`/`POGOPIN_5V`/`5V`), enable (`LDO_ON`/`MODULE_ON`/`ON`), `GND`",
   "marking": "Half labels HP-11, DK-10, PD-05; module labels `GND`, `VBAT`, `RX`, `ON`, `GND`, `TX`, `5V`, `BOOT1` (TUM-20, TCX-09, TKX-07); no `D+`/`D-` on any dock, pogo or module contact label",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (labels); INFERRED (function, direction; pin order unknown)",
   "source": "CRL IP1 p9; CRL IP2 p15; CRR IP1 p12; CRR IP2 p13, p16",
   "notes": "Fits a module update driven by the half over UART plus `BOOT1` (INFERRED, untested; OQ-09).",
   "image": "../images/fcc/boards/pogo-board-left.jpg",
   "image_source": "board view: CRL IP2 p15"
  },
  {
   "id": "EN-01",
   "section": "half-mech",
   "location": "Key switches, 37 per half (24 body + 10 wing + 3 dock), 74 total",
   "part_number": "CPG-1232 = Kailh PG1232 ('Choc Mini'), 0.45 x 0.42 mm pin variant",
   "manufacturer": "Kailh (Kaihua Electronics)",
   "function": "Hot-swappable low-profile key switch; red stems and clear housings in the photos; PG1232 is 14.5 x 13.5 x 8.2 mm, 2.4 mm travel (Kailh)",
   "marking": "Spec sheet 'Kailh CPG-1232 (0.45x0.42mm pin variant)' [clear, text layer]; `Kailh` wordmark on the manual drawing (CRR copy)",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR UM1 p3; CRR UM3 p2, p4; CRL UM1 p3; CRL UM2 p4, p6; CRL IP1 p5, p6; CRR IP1 p5",
   "notes": "74 keys matches NayaFlow 1.25.1's 74 key labels (STATIC).",
   "image": "../images/fcc/parts/en-01.jpg",
   "image_source": "CRL IP1 p6, lower photo: low-profile switches with red stems and clear housings in the plate"
  },
  {
   "id": "EN-03",
   "section": "half-mech",
   "location": "Keycaps, 37 per half",
   "part_number": "polycarbonate keycaps",
   "manufacturer": "-",
   "function": "Individually sculpted keycaps with a coordinate label on the underside (scheme `LA1`..`LH4`, `RA1`..`RH4` in NayaFlow 1.25.1 geometry, STATIC)",
   "marking": "Spec sheet 'Keycaps: Polycarbonate' [clear]; drawing shows the underside tag as `XXN`",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; STATIC (label scheme)",
   "source": "CRR UM1 p3; CRR UM3 p2; CRL UM1 p3; CRL UM2 p4; STATIC: NayaFlow 1.25.1 key geometry",
   "notes": "",
   "image": "../images/fcc/parts/en-03.jpg",
   "image_source": "CRL EP p2, upper photo: keycaps with their legends (the row's evidence is the manual; the photo illustrates it)"
  },
  {
   "id": "EN-04",
   "section": "half-mech",
   "location": "Stabilizers on the larger keycaps",
   "part_number": "wire-type stabilizer, unmarked",
   "manufacturer": "not identified",
   "function": "'Larger keycaps ... have stabilizers'",
   "marking": "Black wire bar with legs into the plate either side of one switch [clear in photo]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR UM3 p1, p2; CRL UM2 p3, p4; CRR IP1 p5",
   "notes": "Which keys carry stabilizers is not stated.",
   "image": "../images/fcc/parts/en-04.jpg",
   "image_source": "CRR IP1 p5, lower photo: black wire stabilizer across the wide bottom-row key"
  },
  {
   "id": "EN-05",
   "section": "half-mech",
   "location": "Enclosure: body, dock, wing",
   "part_number": "'Aerospace Grade Aluminum' (alloy not stated)",
   "manufacturer": "-",
   "function": "Three-section aluminum body; black dock underside plate of unknown material",
   "marking": "Spec sheet 'Body / Dock / Wing: Aerospace Grade Aluminum' [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR UM1 p3; CRL UM1 p3",
   "notes": "",
   "image": "../images/fcc/boards/half-exterior.jpg",
   "image_source": "board view: CRL EP p2"
  },
  {
   "id": "EN-06",
   "section": "half-mech",
   "location": "Black end cap at the rear-inner corner",
   "part_number": "non-metal end cap carrying USB-C",
   "manufacturer": "-",
   "function": "Antenna window behind which the RF0400A sits",
   "marking": "Dark matte cap with USB-C; the lab's 'Ant.' callout on the top view lands on the black keycap above that corner [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (callout; vendor statement)",
   "source": "CRR EP p3 (vector callout), p4; CRL EP p2-p4; Kickstarter updates 14 (2024-07-24) and 15 (2024-09-03)",
   "notes": "",
   "image": "../images/fcc/parts/en-06.jpg",
   "image_source": "CRR EP p3, upper photo: the lab's 'Ant.' callout pointing at the black end cap (vector callout kept as filed)"
  },
  {
   "id": "EN-07",
   "section": "half-mech",
   "location": "Hinges and tenting",
   "part_number": "wing hinge + dock hinge",
   "manufacturer": "-",
   "function": "Two tenting hinges per half, 'In-built tenting up to 27°'",
   "marking": "Round silver pivot cap (wing); two knuckle assemblies with screws (dock) [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR UM1 p3; CRR UM2 p1; CRL UM1 p3; CRR EP p3, p4; CRL EP p3",
   "notes": "",
   "image": "../images/fcc/parts/en-07.jpg",
   "image_source": "CRR EP p3, lower photo: the two dock-hinge knuckle assemblies on the underside"
  },
  {
   "id": "EN-08",
   "section": "half-mech",
   "location": "PCB suspension",
   "part_number": "foam layer (part not identified in photos)",
   "manufacturer": "-",
   "function": "'Foam-suspended PCB for sound dampening'",
   "marking": "Feature list text [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR UM1 p3; CRL UM1 p3",
   "notes": "",
   "image": "../images/fcc/boards/half-exterior.jpg",
   "image_source": "board view: CRL EP p2"
  },
  {
   "id": "EN-09",
   "section": "half-mech",
   "location": "Switch plates",
   "part_number": "separate rigid metal plates: body (24), wing (10), dock ring (3)",
   "manufacturer": "-",
   "function": "Plates butted at seams with screws, linked only electrically by flex; the hinging is in the case (EN-07)",
   "marking": "Plain butted seam with screws [clear]",
   "verdict": "corrected",
   "verdict_note": "Not 'two hinged sections'",
   "tag": "DOC",
   "source": "CRR IP1 p5; CRL IP1 p5, p6",
   "notes": "",
   "image": "../images/fcc/parts/en-09.jpg",
   "image_source": "CRL IP1 p5, upper photo: the body and wing switch plates with the butted seam"
  },
  {
   "id": "EN-10",
   "section": "half-mech",
   "location": "Underside screws",
   "part_number": "cross-recess screws",
   "manufacturer": "-",
   "function": "Fasteners: 12 silver (4 wing, 8 body) matching 12 symbols on the label outline; at least 13 small black screws around the dock ring plate",
   "marking": "Round heads, single cross-slot [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR EP p3, p4; CRR LBL; CRL LLOC p1",
   "notes": "The count of 12 is carried from the extraction pass. The left sheet shows the same 12 screw symbols.",
   "image": "../images/fcc/parts/en-10.jpg",
   "image_source": "CRL EP p2, lower photo: the screw columns either side of the wing seam"
  },
  {
   "id": "EN-11",
   "section": "half-mech",
   "location": "Feet",
   "part_number": "raised strips (rubber INFERRED)",
   "manufacturer": "-",
   "function": "Body 2 long curved strips; wing 2 short + 1 long; dock 1 long strip + 1 small pad",
   "marking": "[clear shape]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (material)",
   "source": "CRR EP p3; CRR LBL; CRL LLOC p1",
   "notes": "",
   "image": "../images/fcc/parts/en-11.jpg",
   "image_source": "CRL EP p2, lower photo: underside with the raised foot strips"
  },
  {
   "id": "EN-12",
   "section": "half-mech",
   "location": "Side marker near the lower dock hinge",
   "part_number": "`L` / `R` in a filled circle",
   "manufacturer": "-",
   "function": "Left/right identification",
   "marking": "`R` read on photo and artwork; `L` from the CRL photo (extraction pass) [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR EP p3; CRR LBL; CRL EP p2; CRL LLOC p1",
   "notes": "",
   "image": "../images/fcc/parts/en-12.jpg",
   "image_source": "CRR EP p3, lower photo: the circled R near the lower dock hinge (faint engraving)"
  },
  {
   "id": "EN-13",
   "section": "half-mech",
   "location": "Underside wordmark",
   "part_number": "engraving",
   "manufacturer": "-",
   "function": "Branding and origin",
   "marking": "'N Naya Create.®', 'Designed by Naya in the Netherlands', 'Made in China' [clear on artwork; faint engraving]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR EP p3; CRR LBL; CRL LLOC p1",
   "notes": "",
   "image": "../images/fcc/parts/en-13.jpg",
   "image_source": "CRL EP p2, lower photo: 'Naya Create.' wordmark and subtext (faint engraving)"
  },
  {
   "id": "EN-14",
   "section": "half-mech",
   "location": "Size and weight",
   "part_number": "'212 x 118 x 18mm', '1.4kg'",
   "manufacturer": "-",
   "function": "Spec-sheet dimensions (per half INFERRED from the 1:1 label outline, about 210.3 x 121.3 mm)",
   "marking": "Spec sheet [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (per half)",
   "source": "CRR UM1 p3; CRR LBL",
   "notes": "The sheet does not say per half or per pair.",
   "image": "../images/fcc/boards/half-exterior.jpg",
   "image_source": "board view: CRL EP p2"
  },
  {
   "id": "EN-15",
   "section": "half-mech",
   "location": "Half-to-half magnets",
   "part_number": "magnets (count not given)",
   "manufacturer": "-",
   "function": "'The two halves of Naya Create are magnetically attached to one another'",
   "marking": "Manual text [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR UM1 p8; CRL UM1 p8",
   "notes": "",
   "image": "../images/fcc/boards/half-exterior.jpg",
   "image_source": "board view: CRL EP p2"
  },
  {
   "id": "DG-04",
   "section": "dongle",
   "location": "`U1`, back side",
   "part_number": "nRF52840, package CKAA (WLCSP; about 4.0 x 3.8 mm with fillet), build code D0",
   "manufacturer": "Nordic Semiconductor",
   "function": "BLE SoC with native USB; firmware in the internal 1 MB flash (no external flash on the board)",
   "marking": "`N52840` / `CKAAD0` / `2301ME`, pin-1 dot [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (D0 = Revision 2)",
   "source": "DG IP p5; DG RF p10-p11 (power setting 8 / 7 / 8, 8.97 dBm)",
   "notes": "D0 = Revision 2 (Revision 3 is Fx0), INFERRED from Nordic DevZone.",
   "image": "../images/fcc/parts/dg-04.jpg",
   "image_source": "DG IP p5, lower photo, rotated upright"
  },
  {
   "id": "DG-06",
   "section": "dongle",
   "location": "`Y1`, front",
   "part_number": "32.000 MHz crystal, 4-pad metal lid, about 2.1 x 1.7 mm",
   "manufacturer": "not identified",
   "function": "nRF52840 HFXO",
   "marking": "`YC32.0` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "DG IP p5",
   "notes": "",
   "image": "../images/fcc/parts/dg-06.jpg",
   "image_source": "DG IP p5, upper photo, rotated upright"
  },
  {
   "id": "DG-08",
   "section": "dongle",
   "location": "`LED1`, front",
   "part_number": "RGB LED, 4-pad, clear lens, 3 die sites, unmarked",
   "manufacturer": "not identified",
   "function": "Status LED with a common pad",
   "marking": "Silkscreen `G`, `B`, `R` at the pads [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (common pad)",
   "source": "DG IP p4, p5",
   "notes": "MEASURED behavior: green/red during the boot identity, then white (measured on one dongle, 2026-09-11).",
   "image": "../images/fcc/parts/dg-08.jpg",
   "image_source": "DG IP p5, upper photo, rotated upright"
  },
  {
   "id": "DG-09",
   "section": "dongle",
   "location": "`ANT`, end opposite the USB fingers (under the plastic cap)",
   "part_number": "RF0401A",
   "manufacturer": "Boen (Dongguan Boen Intelligent Technology Co., Ltd.)",
   "function": "2.4 GHz PCB antenna, 10 mm long, connector N/A; filed gain 3.11 dBi = measured gain at 2480 MHz (28.18 % efficiency); 0.91-3.70 dBi and 17.8-31.6 % over 2400-2500 MHz; uncertainty 1.17 dB",
   "marking": "Silkscreen `ANT`; report 'BOEN RF0401A PCB N/A 3.11' [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "DG RF p10; DG OTA p1, p2, p8, p13; DG IP p5",
   "notes": "OTA report BTL-OTA-1-2506C290 R00, tested 2025-07-14. The DG IP p4 'Antenna' callout arrow lands on a USB finger (probably misplaced). The SAR report's drawing puts the single antenna at the far end of the cap (DG-19).",
   "image": "../images/fcc/parts/dg-09.jpg",
   "image_source": "DG IP p5, lower photo (antenna end with meander trace and ANT label)"
  },
  {
   "id": "DG-10",
   "section": "dongle",
   "location": "RF matching network",
   "part_number": "`L1`-`L3`, `C11`-`C13`, unmarked 0402",
   "manufacturer": "not identified",
   "function": "Pi/LC match between the SoC and the antenna (INFERRED)",
   "marking": "Refs [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (role)",
   "source": "DG IP p5",
   "notes": "",
   "image": "../images/fcc/parts/dg-10.jpg",
   "image_source": "DG IP p5, lower photo"
  },
  {
   "id": "DG-11",
   "section": "dongle",
   "location": "`ESD1`, `ESD2` at the USB end",
   "part_number": "2-terminal 0402 parts, unmarked",
   "manufacturer": "not identified",
   "function": "ESD on the USB lines (INFERRED)",
   "marking": "Refs [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (role)",
   "source": "DG IP p5",
   "notes": "The adjacent 4-lead `ESD3` part is U-DG-11b.",
   "image": "../images/fcc/parts/dg-11.jpg",
   "image_source": "DG IP p5, lower photo"
  },
  {
   "id": "DG-13",
   "section": "dongle",
   "location": "Passives",
   "part_number": "chip resistors and MLCCs, unmarked",
   "manufacturer": "not identified",
   "function": "Decoupling and load capacitors (C15/C16 by Y1)",
   "marking": "`R1`, `R3`-`R7`; `C1`, `C2`, `C3`, `C5`, `C8`-`C10`, `C15`, `C16`, `C18`-`C21` [mostly clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "DG IP p4, p5",
   "notes": "",
   "image": "../images/fcc/boards/dongle-board-back.jpg",
   "image_source": "board view: DG IP p5"
  },
  {
   "id": "DG-14",
   "section": "dongle",
   "location": "Test pads, back side",
   "part_number": "8 round pads about 1 mm",
   "manufacturer": "-",
   "function": "SWD, power and test access",
   "marking": "`TP1`, `TP2`, `GND` x2, `5V`, `SWDIO` [clear]; two more cut by the board edge, fragment `SW…` (SWCLK expected, INFERRED)",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "DG IP p5",
   "notes": "",
   "image": "../images/fcc/parts/dg-14.jpg",
   "image_source": "DG IP p5, lower photo"
  },
  {
   "id": "DG-15",
   "section": "dongle",
   "location": "USB-A plug and housing",
   "part_number": "4 gold edge fingers (USB-A pitch) in a metal USB-A shell with a dark rear cap",
   "manufacturer": "-",
   "function": "Nano-class USB-A receiver, about 20-21 mm overall, about 11 mm proud of the host (INFERRED)",
   "marking": "Shell with latch windows; no text [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (sizes)",
   "source": "DG IP p4, p5; DG OTA p1; CRR IP7 p44, p45; DG EP p2-p3",
   "notes": "",
   "image": "../images/fcc/parts/dg-15.jpg",
   "image_source": "DG EP p3, upper photo (plug end of the closed dongle)"
  },
  {
   "id": "DG-16",
   "section": "dongle",
   "location": "Absent parts (both faces)",
   "part_number": "none",
   "manufacturer": "-",
   "function": "No external flash, USB bridge, PA/LNA, battery or charger",
   "marking": "Only one IC-class part (U1) on either face [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (absence); INFERRED",
   "source": "DG IP p4, p5",
   "notes": "",
   "image": "../images/fcc/boards/dongle-board-back.jpg",
   "image_source": "board view: DG IP p5"
  },
  {
   "id": "DG-18",
   "section": "dongle",
   "location": "Closed dongle exterior",
   "part_number": "no product marking",
   "manufacturer": "-",
   "function": "No FCC ID, model or product text on shell or cap; only a lab sample tag on the cap (value withheld)",
   "marking": "[clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (absence)",
   "source": "CRR IP7 p44, p45; DG OTA p1; DG EP p2-p3",
   "notes": "The dongle filing's own exterior photos (DG EP p2-p3) show no FCC ID, model or logo anywhere, only a lab tag.",
   "image": "../images/fcc/boards/dongle-exterior.jpg",
   "image_source": "board view: DG EP p2"
  },
  {
   "id": "DG-19",
   "section": "dongle",
   "location": "Antenna position",
   "part_number": "-",
   "manufacturer": "-",
   "function": "Drawing of the dongle: the plug end with two double-slot windows and two dimples, then the cap; 'RF Antenna' at the far end of the cap; 'The EUT only has one antenna and does not have synchronous transmission function'",
   "marking": "[clear]",
   "verdict": "new (2026-09-23 exhibits)",
   "verdict_note": "one extraction pass, no blind re-read",
   "tag": "DOC",
   "source": "DG SAR p22, p27",
   "notes": "",
   "image": "../images/fcc/parts/dg-19.jpg",
   "image_source": "DG SAR p22, antenna-location figure (lab drawing with a red RF Antenna callout)"
  },
  {
   "id": "TUM-03",
   "section": "tune-mb",
   "location": "MCU (refdes not legible beside the chip; `U1` per an earlier reading)",
   "part_number": "STM32F411CEU6 (UFQFPN48, 7 x 7 mm)",
   "manufacturer": "STMicroelectronics",
   "function": "Module MCU: Cortex-M4F 100 MHz, 512 KB flash, 128 KB RAM, USB OTG FS",
   "marking": "`STM32F` / `411CEU6` / `GQ2CU179R` / `CHN GQ 320`, ST logo, `e3`, `1` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (`320` = 2023 week 20)",
   "source": "CRL IP3 p19-p20 = CRR IP2 p16-p17",
   "notes": "",
   "image": "../images/fcc/parts/tum-03.jpg",
   "image_source": "CRL IP3 p20, upper photo (= CRR IP2 p17), rotated upright"
  },
  {
   "id": "TUM-04",
   "section": "tune-mb",
   "location": "`U15`",
   "part_number": "MT5705",
   "manufacturer": "Maxic Technology",
   "function": "Qi (WPC 1.2.4 BPP) 5 W wireless-power receiver SoC, QFN32 4 x 4 mm, Cortex-M0, I2C slave",
   "marking": "`MAXiC` / `MT5705` / `240801` / `HXXXXA1` [clear; line 4 is a printed lot code]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP3 p19-p20 = CRR IP2 p16-p17",
   "notes": "`QI_?X_SCL`/`QI_?X_SDA` pads give the MCU an I2C link to it.",
   "image": "../images/fcc/parts/tum-04.jpg",
   "image_source": "CRL IP3 p20, lower photo (= CRR IP2 p17), rotated; U15 label at left"
  },
  {
   "id": "TUM-05",
   "section": "tune-mb",
   "location": "`U8`",
   "part_number": "SGM41523 (base variant; ordering code SGM41523YTDF12G/TR)",
   "manufacturer": "SG Micro",
   "function": "2.5 A standalone switch-mode single-cell Li-ion charger, TDFN-3x3-12L, 1.33 MHz, no I2C, JEITA, TS/NTC input",
   "marking": "`SGM` / `41523DF` / `S2A3C` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (marking matches the datasheet marking table)",
   "source": "CRL IP3 p20-p21 = CRR IP2 p17; CRR IP3 p18",
   "notes": "",
   "image": "../images/fcc/parts/tum-05.jpg",
   "image_source": "CRL IP3 p21 (= CRR IP3 p18), rotated upright"
  },
  {
   "id": "TUM-06",
   "section": "tune-mb",
   "location": "`U6`, beside an `R47` inductor",
   "part_number": "SGM62117 (SGM62117XTGH10G/TR)",
   "manufacturer": "SG Micro",
   "function": "Synchronous 4-switch buck-boost converter, 2.2-5.5 V in, 1.8-5.2 V out, 2 A, TDFN-3x2-10L",
   "marking": "`01KGH` (first glyph consistent with `0`) / `H2A4C` or `?2A4C` [line 1 clear; line 2 partial]",
   "verdict": "confirmed",
   "verdict_note": "Upgraded from 'probable' to a marking match",
   "tag": "DOC (datasheet marking `01KGH`); INFERRED (role)",
   "source": "CRL IP3 p19-p20 = CRR IP2 p16-p17",
   "notes": "Role (3.3 V rail from the cell, or 5 V toward the dock) INFERRED.",
   "image": "../images/fcc/parts/tum-06.jpg",
   "image_source": "CRL IP3 p20, upper photo, bottom-left corner (= CRR IP2 p17), rotated"
  },
  {
   "id": "TUM-09",
   "section": "tune-mb",
   "location": "Unpopulated IC footprint ringed by `ESD15`, `ESD24`, `ESD27`, `R8`, `R9`",
   "part_number": "none (DNP)",
   "manufacturer": "-",
   "function": "Do-not-populate option",
   "marking": "Empty square land [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP3 p19 = CRR IP2 p16",
   "notes": "",
   "image": "../images/fcc/parts/tum-09.jpg",
   "image_source": "CRL IP3 p19, lower photo (= CRR IP2 p16); empty square land at the center"
  },
  {
   "id": "TUM-10",
   "section": "tune-mb",
   "location": "`Q3`",
   "part_number": "MMBT3904 class NPN, SOT-23",
   "manufacturer": "multi-source",
   "function": "Small-signal NPN (40 V, 200 mA)",
   "marking": "`1AM` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (marking); INFERRED (code-to-part)",
   "source": "CRL IP3 p20 = CRR IP2 p17",
   "notes": "Q1/Q2 are U-TUM-10b.",
   "image": "../images/fcc/parts/tum-10.jpg",
   "image_source": "CRL IP3 p20, upper photo (= CRR IP2 p17), rotated upright"
  },
  {
   "id": "TUM-11",
   "section": "tune-mb",
   "location": "`D2`, `D3` (`D6` footprint unpopulated)",
   "part_number": "B5819W class Schottky, 40 V 1 A, SOD-123",
   "manufacturer": "multi-source",
   "function": "OR-ing of the Qi and dock inputs (INFERRED)",
   "marking": "`SL` on both [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (marking); INFERRED (code-to-part, role)",
   "source": "CRL IP3 p21 = CRR IP3 p18",
   "notes": "",
   "image": "../images/fcc/parts/tum-11.jpg",
   "image_source": "CRL IP3 p21 (= CRR IP3 p18), rotated upright"
  },
  {
   "id": "TUM-12",
   "section": "tune-mb",
   "location": "`D4`, `D5`",
   "part_number": "1N4148W class switching diode, SOD-123",
   "manufacturer": "multi-source",
   "function": "Switching diode",
   "marking": "`T4` with cathode bar [clear in two readings]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (code-to-part)",
   "source": "CRL IP3 p21 = CRR IP3 p18",
   "notes": "",
   "image": "../images/fcc/parts/tum-12.jpg",
   "image_source": "CRL IP3 p21 (= CRR IP3 p18), rotated upright"
  },
  {
   "id": "TUM-14",
   "section": "tune-mb",
   "location": "Polarised bulk capacitor",
   "part_number": "100 uF tantalum/polymer (`107`; `J` is the common 6.3 V tantalum voltage code, INFERRED)",
   "manufacturer": "not identified",
   "function": "Bulk capacitance",
   "marking": "`J107`, `+` on the silkscreen, end band [clear after rotation]",
   "verdict": "corrected",
   "verdict_note": "Full marking read (was `?07`)",
   "tag": "DOC; INFERRED (voltage code)",
   "source": "CRL IP3 p19, p21 = CRR IP2 p16; CRR IP3 p18",
   "notes": "",
   "image": "../images/fcc/parts/tum-14.jpg",
   "image_source": "CRL IP3 p21 (= CRR IP3 p18), rotated upright"
  },
  {
   "id": "TUM-15",
   "section": "tune-mb",
   "location": "`Y1`",
   "part_number": "16.000 MHz crystal, 4-pad metal lid",
   "manufacturer": "not identified",
   "function": "STM32 HSE",
   "marking": "`YC16.0` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP3 p20 = CRR IP2 p17",
   "notes": "",
   "image": "../images/fcc/parts/tum-15.jpg",
   "image_source": "CRL IP3 p20, upper photo (= CRR IP2 p17), rotated upright"
  },
  {
   "id": "TUM-16",
   "section": "tune-mb",
   "location": "Inductors `L14`, the inductor by U6, `L7`, `L8`, `L11`, `L13`",
   "part_number": "1.0 uH (`1R0`) and 0.47 uH (`R47`) SMD inductors",
   "manufacturer": "not identified",
   "function": "Charger switch-node inductor (L14, INFERRED) and the buck-boost inductor",
   "marking": "`L14` `1R0` [clear]; by U6 `R47` [clear, not `4R7`]; other refs only",
   "verdict": "confirmed",
   "verdict_note": "`R47` settled over the `4R7` alternative",
   "tag": "DOC",
   "source": "CRL IP3 p19, p21 = CRR IP2 p16; CRR IP3 p18",
   "notes": "",
   "image": "../images/fcc/parts/tum-16.jpg",
   "image_source": "CRL IP3 p21 (= CRR IP3 p18): L14 1R0 only; the R47 inductor by U6 is not in this crop"
  },
  {
   "id": "TUM-17",
   "section": "tune-mb",
   "location": "`RT1`, `RT2` beside U8",
   "part_number": "0402 resistors",
   "manufacturer": "-",
   "function": "TS-pin divider for the pack NTC (the SGM41523 datasheet names them RT1/RT2; role INFERRED)",
   "marking": "Refs [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (role)",
   "source": "CRL IP3 p21 = CRR IP3 p18",
   "notes": "",
   "image": "../images/fcc/parts/tum-17.jpg",
   "image_source": "CRL IP3 p21 (= CRR IP3 p18), rotated"
  },
  {
   "id": "TUM-18",
   "section": "tune-mb",
   "location": "ESD and passives",
   "part_number": "unmarked ESD parts and passives",
   "manufacturer": "-",
   "function": "Line protection; highest refs seen: R95, C103, D40, ESD29, U15, L14, Q3, TVS1, RT2, Y1, J6",
   "marking": "`ESD1`-`ESD3`, `ESD14`, `ESD15`, `ESD18`, `ESD21`, `ESD23`-`ESD27`, `ESD29`; `D1`, `D7`, `D38`, `D40` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP3 p19-p21 = CRR IP2 p16-p17; CRR IP3 p18",
   "notes": "",
   "image": "../images/fcc/boards/tune-main-board-front.jpg",
   "image_source": "board view: CRL IP3 p19"
  },
  {
   "id": "TUM-19",
   "section": "tune-mb",
   "location": "Board connectors",
   "part_number": "FPC and wire-to-board connectors, unmarked",
   "manufacturer": "not identified",
   "function": "FPC about 10 contacts by the `PAD_*` labels (to the touch disc); 2 flip-lock ZIF on the inner island; `J1` small FPC about 6-8 contacts by `HAPTICAL_SDA` (haptic assembly, INFERRED); `J6` white 4-contact header",
   "marking": "[clear presence; way counts are estimates]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (destinations)",
   "source": "CRL IP2 p18; CRL IP3 p19 = CRR IP2 p15-p16",
   "notes": "Tan tape covers several connectors.",
   "image": "../images/fcc/parts/tum-19.jpg",
   "image_source": "CRL IP3 p19, upper photo (= CRR IP2 p16): FPC receptacle, J6 header, J1"
  },
  {
   "id": "TUM-20",
   "section": "tune-mb",
   "location": "`J5`, internal dock contact block (module side)",
   "part_number": "8-contact block, staggered 2 x 4 (1-2-2-2-1 zigzag), through-hole",
   "manufacturer": "not identified",
   "function": "Tune dock contacts",
   "marking": "8 gold contacts; labels `GND` `VBAT` `RX` `ON` / `GND` `TX` `?V` `BOOT1`; two paler round pads beside the block (U-TUM-20b) [clear count]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP2 p18; CRL IP3 p19 = CRR IP2 p15-p16",
   "notes": "Corrects an earlier reading of 12 pads (2 x 6).",
   "image": "../images/fcc/parts/tum-20.jpg",
   "image_source": "CRL IP3 p19, upper photo (= CRR IP2 p16), rotated so the pad labels read"
  },
  {
   "id": "TUM-21",
   "section": "tune-mb",
   "location": "Actuator drive pads and footprint",
   "part_number": "pads, `M1` 2-pad boxed footprint",
   "manufacturer": "-",
   "function": "Motor/coil drive (H-bridge style IN1/IN2/nSLEEP set, INFERRED), coil sensing, an I2C device inside the dial assembly",
   "marking": "`M1`, `PWM1` (partial), `PWM2`, `SLEEP`, `COIL+`, `COIL-`, `TUNE_ADC`, `TUNE_ADC_COIL`, `HAPTICAL_SCL`, `HAPTICAL_SDA` (partial) [clear except where marked]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (roles)",
   "source": "CRL IP3 p19 = CRR IP2 p16",
   "notes": "Consistent with a force-feedback dial (INFERRED).",
   "image": "../images/fcc/parts/tum-21.jpg",
   "image_source": "CRL IP3 p19, upper photo (= CRR IP2 p16), rotated 180"
  },
  {
   "id": "TUM-22",
   "section": "tune-mb",
   "location": "Debug and boot pads",
   "part_number": "test pads",
   "manufacturer": "-",
   "function": "STM32 SWD and boot straps; `BOOT1` also reaches the dock block",
   "marking": "`BOOT0`, `BOOT1` (beside the MCU), `SWDIO`, `SWCL…`, `RST` [clear to partial]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP3 p19-p20 = CRR IP2 p16-p17",
   "notes": "",
   "image": "../images/fcc/parts/tum-22.jpg",
   "image_source": "CRL IP3 p20, upper photo (= CRR IP2 p17): BOOT0/BOOT1 pads; the partial SWD labels on the back are not in this crop"
  },
  {
   "id": "TUM-23",
   "section": "tune-mb",
   "location": "Other net pads",
   "part_number": "test pads",
   "manufacturer": "-",
   "function": "Touch-disc I2C + INT + RST + LED data; Qi and charger status; ADC sense",
   "marking": "`PAD_LED_IN`, `PAD_SCL`, `PAD_SDA`, `PAD_INT`, `PAD_VDD`, `PAD_RST`; `QI_VBUS`, `NTC`, `QI_?X_SCL`, `QI_?X_SDA`; `VBUS` x2; `USB_ADC`, `BAT_ADC`; `VDD_3V3`, `LED_PWRON`, `CHARGE_FULL` [clear to partial]",
   "verdict": "confirmed",
   "verdict_note": "Subset re-read; rest corroborated by two readings",
   "tag": "DOC",
   "source": "CRL IP3 p19 = CRR IP2 p16",
   "notes": "",
   "image": "../images/fcc/parts/tum-23.jpg",
   "image_source": "CRL IP3 p19, upper photo (= CRR IP2 p16), rotated 180"
  },
  {
   "id": "TUM-24",
   "section": "tune-mb",
   "location": "Qi coil landing",
   "part_number": "two square pads",
   "manufacturer": "-",
   "function": "Qi coil input (coil: TUX-18)",
   "marking": "Twisted enamelled leads soldered on [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP3 p19 = CRR IP2 p16",
   "notes": "",
   "image": "../images/fcc/parts/tum-24.jpg",
   "image_source": "CRL IP3 p19, upper photo (= CRR IP2 p16)"
  },
  {
   "id": "TUX-04",
   "section": "tune-x",
   "location": "LED ring on the touch disc",
   "part_number": "24 side-view RGB LEDs, white bodies, unmarked (4020 class INFERRED)",
   "manufacturer": "not identified",
   "function": "Addressable LED ring on one data line (`PAD_LED_IN`), no driver IC; per-LED passives C(20+n), R(31+n)",
   "marking": "`LED1`-`LED24`; `LED1` `C21` `R32`, `LED2` `C22` `R33` (so `C21`-`C44`, `R32`-`R55`) [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (class)",
   "source": "CRL IP3 p22; CRL IP4 p23 = CRR IP3 p19-p20",
   "notes": "Host side is open (OQ-08): MEASURED 2026-09-08, about 9 indices (88-96) lit with a Tune docked left; MEASURED 2026-09-19 on a donor Tune with module firmware 2.1.2, 88-93 took the host color and 94-111 stayed bright white.",
   "image": "../images/fcc/parts/tux-04.jpg",
   "image_source": "CRL IP4 p23, upper photo (= CRR IP3 p20): LED6 to LED11 with their C/R pairs"
  },
  {
   "id": "TUX-07",
   "section": "tune-x",
   "location": "`J2` on the disc",
   "part_number": "10-contact flip-lock FPC receptacle, unmarked",
   "manufacturer": "not identified",
   "function": "Flex to the main board",
   "marking": "10 contacts (9 clear + 1 at the edge) [clear count]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP4 p23 = CRR IP3 p20",
   "notes": "Corrects an earlier '~15-way' estimate.",
   "image": "../images/fcc/parts/tux-07.jpg",
   "image_source": "CRL IP4 p23, upper photo (= CRR IP3 p20), rotated 180"
  },
  {
   "id": "TUX-08",
   "section": "tune-x",
   "location": "`L4`, `R10`, `R11` on the disc",
   "part_number": "0-ohm links",
   "manufacturer": "-",
   "function": "Jumpers",
   "marking": "Each marked `0` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP4 p23 = CRR IP3 p20",
   "notes": "Q4/Q8 on the same board: U-TUX-08b.",
   "image": "../images/fcc/parts/tux-08.jpg",
   "image_source": "CRL IP4 p23, upper photo (= CRR IP3 p20), rotated"
  },
  {
   "id": "TUX-09",
   "section": "tune-x",
   "location": "Disc ESD and passives",
   "part_number": "unmarked ESD parts and passives",
   "manufacturer": "-",
   "function": "Line protection around U1",
   "marking": "`ESD1`-`ESD7`, `ESD13`; `R1`-`R11`, `R63` (partial); `C1`-`C4`, `C83`, `C84` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP4 p23 = CRR IP3 p20",
   "notes": "",
   "image": "../images/fcc/boards/tune-touch-disc.jpg",
   "image_source": "board view: CRL IP4 p23"
  },
  {
   "id": "TUX-10",
   "section": "tune-x",
   "location": "Disc host and power pads",
   "part_number": "test pads",
   "manufacturer": "-",
   "function": "I2C host interface (VDD, GND, SDA, SCL, RST, INT), `IN`, and two switched rails gated by `PWRON`",
   "marking": "`VDD`, `GND`, `SDA`, `SCL`, `RST`, `INT`, `IN`, `PWRON`, `TOUCH-VDD`, `LED-VDD` [clear; `IN` lower legibility]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP4 p23 = CRR IP3 p20",
   "notes": "",
   "image": "../images/fcc/parts/tux-10.jpg",
   "image_source": "CRL IP4 p23, upper photo (= CRR IP3 p20), rotated"
  },
  {
   "id": "TUX-11",
   "section": "tune-x",
   "location": "Touch cover",
   "part_number": "black glass disc about 45 mm, unmarked",
   "manufacturer": "-",
   "function": "Touch surface over the disc (marketing 'In-Built Touch Surface', INFERRED naming)",
   "marking": "No marking; cracked edge from the teardown; about 45 mm against the tape in frame [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP3 p22 = CRR IP3 p19",
   "notes": "",
   "image": "../images/fcc/parts/tux-11.jpg",
   "image_source": "CRL IP3 p22, lower photo (= CRR IP3 p19)"
  },
  {
   "id": "TUX-12",
   "section": "tune-x",
   "location": "Dial ring",
   "part_number": "silver knurled ring, unmarked",
   "manufacturer": "-",
   "function": "Dial ring; marketed as CNC-machined aluminum, soft-knurled",
   "marking": "No marking [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (photo; naya.tech marketing)",
   "source": "CRL IP2 p17 = CRR IP2 p14",
   "notes": "",
   "image": "../images/fcc/parts/tux-12.jpg",
   "image_source": "CRL IP2 p17, upper photo (= CRR IP2 p14)"
  },
  {
   "id": "TUX-18",
   "section": "tune-x",
   "location": "Qi receive coil",
   "part_number": "flat copper spiral on black ferrite, about 30-31 mm, unmarked",
   "manufacturer": "not identified",
   "function": "Qi coil feeding U15 (MT5705)",
   "marking": "No marking; enamelled leads to TUM-24 [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (size from the extraction pass)",
   "source": "CRL IP2 p18; CRL IP3 p19 = CRR IP2 p15-p16",
   "notes": "",
   "image": "../images/fcc/parts/tux-18.jpg",
   "image_source": "CRL IP3 p19, upper photo (= CRR IP2 p16)"
  },
  {
   "id": "TUX-19",
   "section": "tune-x",
   "location": "Base cover",
   "part_number": "black molded cover about 64 mm; 6 silver rectangular blocks; 8 flat gold pads (staggered 2 x 4)",
   "manufacturer": "-",
   "function": "Dock magnets or steel strike plates (INFERRED); module-side external dock pads",
   "marking": "6 blocks in rim pockets; 8 pads in a recessed block, 1-2-2-2-1 stagger [clear counts]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (magnet vs steel)",
   "source": "CRL IP2 p17-p18 = CRR IP2 p14-p15",
   "notes": "",
   "image": "../images/fcc/parts/tux-19.jpg",
   "image_source": "CRL IP2 p18, upper photo (= CRR IP2 p15)"
  },
  {
   "id": "TUX-21",
   "section": "tune-x",
   "location": "Base marks and fasteners",
   "part_number": "compliance marks",
   "manufacturer": "-",
   "function": "Multi-market marks on the base",
   "marking": "`CE`, FCC logo, `UK`/`CA`, WEEE bin [clear]; `N` mark, `VCI` box, triangle, circle-with-bar [shape only]; at least 3-4 screws",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP2 p17 = CRR IP2 p14",
   "notes": "",
   "image": "../images/fcc/parts/tux-21.jpg",
   "image_source": "CRL IP2 p17, lower photo (= CRR IP2 p14)"
  },
  {
   "id": "TUX-22",
   "section": "tune-x",
   "location": "Internal flex",
   "part_number": "amber polyimide flex, about 7-8 traces",
   "manufacturer": "-",
   "function": "Main board to the touch/LED disc",
   "marking": "[clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP2 p18 = CRR IP2 p15",
   "notes": "",
   "image": "../images/fcc/parts/tux-22.jpg",
   "image_source": "CRL IP2 p18, upper photo (= CRR IP2 p15)"
  },
  {
   "id": "TCM-03",
   "section": "touch-mb",
   "location": "`U1`",
   "part_number": "STM32F411CEU6 (UFQFPN48)",
   "manufacturer": "STMicroelectronics",
   "function": "Module MCU",
   "marking": "`STM32F` / `411CEU6` / `GQ20N 1A9R` / `CHN GQ 302`, ST logo, `e3`, `1` [clear]; 48 leads counted",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP5 p31 = CRR IP5 p28 (label-covered on CRL IP5 p29-p30 = CRR IP4 p26-p27)",
   "notes": "",
   "image": "../images/fcc/parts/tcm-03.jpg",
   "image_source": "CRL IP5 p31, lower photo (= CRR IP5 p28 lower)"
  },
  {
   "id": "TCM-05",
   "section": "touch-mb",
   "location": "Qi receiver (refdes read `U5` or `U15`)",
   "part_number": "MT5705",
   "manufacturer": "Maxic Technology",
   "function": "Qi 5 W receiver",
   "marking": "`MAXiC` / `MT5705` / `240801` / `H…A1` [lines 1-3 clear; line 4 partial]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP5 p30-p31 = CRR IP4 p27; CRR IP5 p28",
   "notes": "",
   "image": "../images/fcc/parts/tcm-05.jpg",
   "image_source": "CRL IP5 p31, upper photo (= CRR IP5 p28 upper)"
  },
  {
   "id": "TCM-06",
   "section": "touch-mb",
   "location": "`U8`, beside `R7`, `C18`, `C19`, `Q4`, `RT1`-`RT3`",
   "part_number": "SGM41523 (base variant)",
   "manufacturer": "SG Micro",
   "function": "Single-cell switch-mode charger, TDFN-3x3-12L (12 leads)",
   "marking": "`SGM` / `41523DF` / `S2A3C` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP5 p30-p31 = CRR IP4 p27; CRR IP5 p28",
   "notes": "",
   "image": "../images/fcc/parts/tcm-06.jpg",
   "image_source": "CRL IP5 p31, lower photo (= CRR IP5 p28 lower)"
  },
  {
   "id": "TCM-09",
   "section": "touch-mb",
   "location": "`U3` (one reading `U5`), beside the `R47` inductor",
   "part_number": "SGM62117",
   "manufacturer": "SG Micro",
   "function": "Buck-boost converter, TDFN-3x2-10L",
   "marking": "`01KGH` / `R2A4C`, pin-1 dot [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (datasheet marking `01KGH`)",
   "source": "CRL IP5 p31 = CRR IP5 p28",
   "notes": "Role (3.3 V rail from the cell, or 5 V toward the dock) INFERRED.",
   "image": "../images/fcc/parts/tcm-09.jpg",
   "image_source": "CRL IP5 p31, upper photo (= CRR IP5 p28 upper)"
  },
  {
   "id": "TCM-10",
   "section": "touch-mb",
   "location": "`Y1`",
   "part_number": "16.000 MHz crystal",
   "manufacturer": "not identified",
   "function": "STM32 HSE",
   "marking": "`YC16.0` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP5 p31 = CRR IP5 p28",
   "notes": "",
   "image": "../images/fcc/parts/tcm-10.jpg",
   "image_source": "CRL IP5 p31, lower photo (= CRR IP5 p28 lower)"
  },
  {
   "id": "TCM-12",
   "section": "touch-mb",
   "location": "`Q4`",
   "part_number": "MMBT3904 class NPN, SOT-23",
   "manufacturer": "multi-source",
   "function": "Small-signal NPN",
   "marking": "`1AM` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (code-to-part)",
   "source": "CRL IP5 p31 = CRR IP5 p28",
   "notes": "",
   "image": "../images/fcc/parts/tcm-12.jpg",
   "image_source": "CRL IP5 p31, lower photo (= CRR IP5 p28 lower)"
  },
  {
   "id": "TCM-13",
   "section": "touch-mb",
   "location": "`D1`, `D2` (`D6` unpopulated), near `QI_VBUS`",
   "part_number": "B5819W class Schottky, SOD-123FL",
   "manufacturer": "multi-source",
   "function": "Input OR-ing (INFERRED)",
   "marking": "`SL` on both [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED",
   "source": "CRL IP5 p31 = CRR IP5 p28",
   "notes": "",
   "image": "../images/fcc/parts/tcm-13.jpg",
   "image_source": "CRL IP5 p31, upper photo (= CRR IP5 p28 upper)"
  },
  {
   "id": "TCM-15",
   "section": "touch-mb",
   "location": "Probably `C47`, below the `C47`/`D1` labels",
   "part_number": "100 uF 6.3 V tantalum (EIA `J` = 6.3 V, `107` = 100 uF)",
   "manufacturer": "not identified",
   "function": "Bulk capacitance",
   "marking": "`J107` [clear after 180° rotation]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (code decode)",
   "source": "CRL IP5 p31 = CRR IP5 p28",
   "notes": "The nearby `+` silkscreen belongs to an adjacent unpopulated footprint.",
   "image": "../images/fcc/parts/tcm-15.jpg",
   "image_source": "CRL IP5 p31, upper photo (= CRR IP5 p28 upper)"
  },
  {
   "id": "TCM-16",
   "section": "touch-mb",
   "location": "`TVS1`, beside `VBAT`/`NTC`",
   "part_number": "5 V TVS diode",
   "manufacturer": "not identified",
   "function": "Battery-line protection (INFERRED)",
   "marking": "`5V` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP5 p31 = CRR IP5 p28",
   "notes": "",
   "image": "../images/fcc/parts/tcm-16.jpg",
   "image_source": "CRL IP5 p31, lower photo (= CRR IP5 p28 lower)"
  },
  {
   "id": "TCM-17",
   "section": "touch-mb",
   "location": "`D3`, `D22`; `D72`, `D74`",
   "part_number": "`S78`: not identified; `T4`: 1N4148W class (INFERRED)",
   "manufacturer": "not identified",
   "function": "Small signal or protection diodes",
   "marking": "`S78` on D3 and D22 [clear]; `T4` on D72 and D74 [clear]",
   "verdict": "corrected",
   "verdict_note": "`S78` settled over `S7B`",
   "tag": "DOC",
   "source": "CRL IP5 p31 = CRR IP5 p28",
   "notes": "",
   "image": "../images/fcc/parts/tcm-17.jpg",
   "image_source": "CRL IP5 p31, upper photo (= CRR IP5 p28 upper)"
  },
  {
   "id": "TCM-18",
   "section": "touch-mb",
   "location": "Inductors",
   "part_number": "1.0 uH (`1R0`, L14) and 0.47 uH (`R47`, `L2` per one reading)",
   "manufacturer": "not identified",
   "function": "Charger inductor (INFERRED) and buck-boost inductor",
   "marking": "`1R0`, `R47` [clear]; `L1`, `L13` refs only",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP5 p30-p31 = CRR IP4 p27; CRR IP5 p28",
   "notes": "",
   "image": "../images/fcc/parts/tcm-18.jpg",
   "image_source": "CRL IP5 p31, upper photo (= CRR IP5 p28 upper)"
  },
  {
   "id": "TCM-19",
   "section": "touch-mb",
   "location": "`J4`",
   "part_number": "14-position flip-lock FPC receptacle, about 0.3 mm pitch",
   "manufacturer": "not identified",
   "function": "Takes the pogo-board flex (TCX-11)",
   "marking": "Molded `14` on the actuator; 13-14 contacts [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (pitch)",
   "source": "CRL IP5 p30-p31 = CRR IP4 p27; CRR IP5 p28",
   "notes": "Corrects an earlier '~24-way' estimate.",
   "image": "../images/fcc/parts/tcm-19.jpg",
   "image_source": "CRL IP5 p31, upper photo (= CRR IP5 p28 upper)"
  },
  {
   "id": "TCM-20",
   "section": "touch-mb",
   "location": "`J5`",
   "part_number": "8-position FPC receptacle, about 0.5 mm pitch",
   "manufacturer": "not identified",
   "function": "Takes the sensor board's 8-way `J1` tail (INFERRED)",
   "marking": "8 contacts [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (pitch, mating)",
   "source": "CRL IP5 p30-p31 = CRR IP4 p27; CRR IP5 p28",
   "notes": "Corrects an earlier '~10-way' estimate.",
   "image": "../images/fcc/parts/tcm-20.jpg",
   "image_source": "CRL IP5 p30, upper photo (= CRR IP4 p27 upper)"
  },
  {
   "id": "TCM-22",
   "section": "touch-mb",
   "location": "`J3` battery header, `VBAT` and `NTC` pads beside",
   "part_number": "3-position right-angle wire-to-board header, about 1.0 mm pitch",
   "manufacturer": "not identified (JST SH class not confirmed)",
   "function": "Battery connector (VBAT, GND, NTC INFERRED)",
   "marking": "White housing, 3 contacts + 2 hold-down tabs; `1`, `2` on the silkscreen [clear count]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (pitch, pinout)",
   "source": "CRL IP5 p31 = CRR IP5 p28",
   "notes": "",
   "image": "../images/fcc/parts/tcm-22.jpg",
   "image_source": "CRL IP5 p31, lower photo (= CRR IP5 p28 lower)"
  },
  {
   "id": "TCM-23",
   "section": "touch-mb",
   "location": "Debug and boot pads",
   "part_number": "test pads",
   "manufacturer": "-",
   "function": "STM32 SWD and boot straps",
   "marking": "`SWCLK1`, `SWDIO` (partly under glue), `BOOT0`, `BOOT1` [clear except where marked]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP5 p30-p31 = CRR IP4 p27; CRR IP5 p28",
   "notes": "",
   "image": "../images/fcc/parts/tcm-23.jpg",
   "image_source": "CRL IP5 p31, lower photo (= CRR IP5 p28 lower)"
  },
  {
   "id": "TCM-24",
   "section": "touch-mb",
   "location": "Other net pads",
   "part_number": "test pads",
   "manufacturer": "-",
   "function": "Sensor-board I2C, MCU-to-Qi I2C, charger status, dock insertion sense (`INSERT`, INFERRED), UART",
   "marking": "`PAD_INT`, `PAD_RST`, `PAD_LED_IN`, `PAD_SC…`, `PAD_SD…`, `PAD_VDD`, `LDO_ON`; `QI_RX_SDA`, `QI_RX_SCL`, `QI_VBUS`; `MCU_3V3`, `VDD_3V3`, `USB_ADC`, `BAT_ADC`, `VBUS`, `VBUS_5V`, `CHARGE_FULL`, `INSERT`, `NTC`, `VBAT`; `TX`, `RX`; `GND2`-`GND4`, `MARK1`, `MARK2` [clear to partial]",
   "verdict": "confirmed",
   "verdict_note": "Subset re-read; rest corroborated by two readings",
   "tag": "DOC",
   "source": "CRL IP5 p29-p31 = CRR IP4 p26-p27; CRR IP5 p28",
   "notes": "",
   "image": "../images/fcc/parts/tcm-24.jpg",
   "image_source": "CRL IP5 p30, upper photo (= CRR IP4 p27 upper)"
  },
  {
   "id": "TCM-25",
   "section": "touch-mb",
   "location": "ESD, diodes, thermistor divider, links",
   "part_number": "unmarked parts",
   "manufacturer": "-",
   "function": "Protection; TS divider; 0-ohm links; a large DNP footprint with `+`",
   "marking": "`ESD7`-`ESD9`, `ESD12`-`ESD15`, `ESD17`, `ESD18`; `D3`, `D8`, `D9`, `D16`, `D45`; `RT1`-`RT3`; two parts marked `0` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP5 p30-p31 = CRR IP4 p27; CRR IP5 p28",
   "notes": "",
   "image": "../images/fcc/parts/tcm-25.jpg",
   "image_source": "CRL IP5 p31, lower photo (= CRR IP5 p28 lower)"
  },
  {
   "id": "TCX-02",
   "section": "touch-x",
   "location": "`U1` on the sensor board",
   "part_number": "CST3640 (QFN52 6 x 6 mm per the JLCPCB `CST3640H` listing, INFERRED)",
   "manufacturer": "Hynitron",
   "function": "Capacitive multi-touch controller, I2C",
   "marking": "`CST3640` [clear] / `[??]91` (1-2 characters under a blue ink dot)",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (marking); INFERRED (package)",
   "source": "CRL IP6 p35-p36 = CRR IP5 p32-p33",
   "notes": "",
   "image": "../images/fcc/parts/tcx-02.jpg",
   "image_source": "CRL IP6 p36, upper photo (= CRR IP5 p33 upper)"
  },
  {
   "id": "TCX-04",
   "section": "touch-x",
   "location": "`LED1` on the sensor board",
   "part_number": "single addressable RGB LED, 4-pad, white body, round lens, unmarked",
   "manufacturer": "not identified",
   "function": "Module status LED (driven through the first index of its bay block)",
   "marking": "Pad `DO`; `R29`, `R30`, `C10`, `C51`, `C52`, `ESD1` nearby [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (class); MEASURED (a Touch lights through index 88 or 112 only, 2026-09-10)",
   "source": "CRL IP6 p35 = CRR IP5 p32; measured on one keyboard with one Touch, 2026-09-10 (firmware not recorded with the reading)",
   "notes": "",
   "image": "../images/fcc/parts/tcx-04.jpg",
   "image_source": "CRL IP6 p35, upper photo (= CRR IP5 p32 upper)"
  },
  {
   "id": "TCX-05",
   "section": "touch-x",
   "location": "`J1` on the sensor board",
   "part_number": "8-contact FPC, orange 8-trace tail",
   "manufacturer": "not identified",
   "function": "Link to main-board `J5`",
   "marking": "8 contacts, pin-1 mark [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP6 p35 = CRR IP5 p32",
   "notes": "",
   "image": "../images/fcc/parts/tcx-05.jpg",
   "image_source": "CRL IP6 p35, upper photo (= CRR IP5 p32 upper)"
  },
  {
   "id": "TCX-06",
   "section": "touch-x",
   "location": "Sensor-board host pads",
   "part_number": "test pads",
   "manufacturer": "-",
   "function": "I2C + INT + RST + LED data",
   "marking": "`LED_IN`, `GND1`, `VDD`, `INT`, `SDA`, `SCL`, `RST` [clear to partial]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP6 p35-p36 = CRR IP5 p32-p33",
   "notes": "",
   "image": "../images/fcc/parts/tcx-06.jpg",
   "image_source": "CRL IP6 p35, upper photo (= CRR IP5 p32 upper)"
  },
  {
   "id": "TCX-07",
   "section": "touch-x",
   "location": "Sensor-board support parts",
   "part_number": "unmarked passives and ESD",
   "manufacturer": "-",
   "function": "Protection and decoupling; slotted gold pad = ground/spring land (INFERRED)",
   "marking": "`ESD2`-`ESD6`, `ESD22`; `R22`-`R28`, `R31`, `R32`; `C2`-`C5` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP6 p35-p36 = CRR IP5 p32-p33",
   "notes": "",
   "image": "../images/fcc/parts/tcx-07.jpg",
   "image_source": "CRL IP6 p36, upper photo (= CRR IP5 p33 upper)"
  },
  {
   "id": "TCX-09",
   "section": "touch-x",
   "location": "`J2`, dock contact block on the Touch pogo board",
   "part_number": "8 gold domed contacts, 2 columns of 4, black molded block",
   "manufacturer": "not identified",
   "function": "Touch module-side dock contacts",
   "marking": "Labels `GND`, `VBAT`, `RX`, up-arrow, `…ON`, `BOO…`, `GND` [clear count]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP4 p28; CRL IP5 p32 = CRR IP4 p25; CRR IP5 p29",
   "notes": "Corrects an earlier '2 x 5' reading.",
   "image": "../images/fcc/parts/tcx-09.jpg",
   "image_source": "CRL IP5 p32, upper photo (= CRR IP5 p29 upper)"
  },
  {
   "id": "TCX-10",
   "section": "touch-x",
   "location": "Touch pogo board, back",
   "part_number": "`J7` FPC (about 8 contacts) and filter parts",
   "manufacturer": "not identified",
   "function": "ESD and filtering on the dock lines",
   "marking": "`J7`; `C39`, `C40`, `C44`, `C46`, `D38`-`D41`, `D75`; 4 joints round a cross cut-out; three small SMD parts with refs starting `E` on the edge [clear]",
   "verdict": "corrected",
   "verdict_note": "Three separate SMD parts, not a stacked small board",
   "tag": "DOC",
   "source": "CRL IP4 p28; CRL IP5 p32 = CRR IP4 p25; CRR IP5 p29",
   "notes": "The round black part beside the block is U-TCX-10b.",
   "image": "../images/fcc/parts/tcx-10.jpg",
   "image_source": "CRL IP5 p32, lower photo (= CRR IP5 p29 lower)"
  },
  {
   "id": "TCX-11",
   "section": "touch-x",
   "location": "Touch pogo flex",
   "part_number": "amber flex about 40-42 mm, 13-14 conductors at about 0.3 mm",
   "manufacturer": "-",
   "function": "Pogo board into main-board `J4`",
   "marking": "About 13 traces resolvable [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (pitch)",
   "source": "CRL IP5 p32 = CRR IP5 p29",
   "notes": "",
   "image": "../images/fcc/parts/tcx-11.jpg",
   "image_source": "CRL IP5 p32, upper photo (= CRR IP5 p29 upper)"
  },
  {
   "id": "TCX-13",
   "section": "touch-x",
   "location": "Touch base exposed contacts",
   "part_number": "one straight row of 4 round gold contacts in a slot",
   "manufacturer": "-",
   "function": "Exposed module-to-dock contacts",
   "marking": "4 contacts plus a small round feature [clear count]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP4 p27 = CRR IP4 p24",
   "notes": "Relation to the 8 contacts on the pogo board is open (OQ-11).",
   "image": "../images/fcc/parts/tcx-13.jpg",
   "image_source": "CRL IP4 p27, lower photo (= CRR IP4 p24 lower)"
  },
  {
   "id": "TCX-14",
   "section": "touch-x",
   "location": "Qi receive coil",
   "part_number": "single-layer spiral about 29-30 mm OD, 19-20 mm ID, on a ferrite disc about 33 mm",
   "manufacturer": "not identified",
   "function": "Qi coil feeding the MT5705",
   "marking": "No marking; scribed cross on the ferrite [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (sizes)",
   "source": "CRL IP4 p28; CRL IP5 p29-p30 = CRR IP4 p25-p27",
   "notes": "",
   "image": "../images/fcc/parts/tcx-14.jpg",
   "image_source": "CRL IP5 p30, lower photo (= CRR IP4 p27 lower)"
  },
  {
   "id": "TCX-15",
   "section": "touch-x",
   "location": "Carrier frame",
   "part_number": "black plastic ring with 6 silver rectangular plates and a rectangular window",
   "manufacturer": "-",
   "function": "Holds the main board; dock magnets or steel strike plates (INFERRED)",
   "marking": "6 plates [clear count]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED",
   "source": "CRL IP4 p28 = CRR IP4 p25",
   "notes": "",
   "image": "../images/fcc/parts/tcx-15.jpg",
   "image_source": "CRL IP4 p28, upper photo (= CRR IP4 p25 upper)"
  },
  {
   "id": "TCX-16",
   "section": "touch-x",
   "location": "Top cover",
   "part_number": "glossy black teardrop cover; black glass-like disc in the teardown",
   "manufacturer": "-",
   "function": "Touch surface; small light dot near the rim = LED window (INFERRED)",
   "marking": "No print [clear]; size unresolved (U-TCX-16b)",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP4 p27; CRL IP6 p35 = CRR IP4 p24; CRR IP5 p32",
   "notes": "",
   "image": "../images/fcc/parts/tcx-16.jpg",
   "image_source": "CRL IP4 p27, upper photo (= CRR IP4 p24 upper)"
  },
  {
   "id": "TCX-17",
   "section": "touch-x",
   "location": "Housing",
   "part_number": "black shell with a molded `2` in a circular boss",
   "manufacturer": "-",
   "function": "Enclosure; `2` is probably a mold cavity number (INFERRED)",
   "marking": "`2` [clear]; cell held with yellow tape",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED",
   "source": "CRL IP4 p28 = CRR IP4 p25",
   "notes": "",
   "image": "../images/fcc/parts/tcx-17.jpg",
   "image_source": "CRL IP4 p28, upper photo (= CRR IP4 p25 upper)"
  },
  {
   "id": "TCX-18",
   "section": "touch-x",
   "location": "Touch base label",
   "part_number": "label artwork with unfilled certification placeholders",
   "manufacturer": "-",
   "function": "Printed before any module certification; no module FCC ID exists",
   "marking": "`…Netherlands · Made in China`; `…Naya B.V.`; `…, NL`; `XXX-YYYYYYY` (IC style), `R-C?-ABC-XXX…` (KC style), `XXX-ABC…` (Japan style), 13-character `CC…` (NCC style); `Input: 5V⎓500mA` [clear to partial]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED",
   "source": "CRL IP4 p27 = CRR IP4 p24",
   "notes": "",
   "image": "../images/fcc/parts/tcx-18.jpg",
   "image_source": "CRL IP4 p27, lower photo (= CRR IP4 p24 lower)"
  },
  {
   "id": "TCX-19",
   "section": "touch-x",
   "location": "Touch base marks",
   "part_number": "compliance marks",
   "manufacturer": "-",
   "function": "Marks beside the placeholder text",
   "marking": "FCC, CE, UKCA, WEEE, KC, N in an arc, RCM-like triangle, others [clear to shape only]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP4 p27 = CRR IP4 p24",
   "notes": "",
   "image": "../images/fcc/parts/tcx-19.jpg",
   "image_source": "CRL IP4 p27, lower photo (= CRR IP4 p24 lower)"
  },
  {
   "id": "TKM-03",
   "section": "track-mb",
   "location": "MCU",
   "part_number": "STM32F411CEU6 (UFQFPN48)",
   "manufacturer": "STMicroelectronics",
   "function": "Module MCU",
   "marking": "`STM32F` / `411CEU6` / `GQ26Y17VQ` / `CHN GQ 443`, ST logo, `e3`, `A` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (`443` = 2024 week 43)",
   "source": "CRL IP7 p45 = CRR IP7 p42 (under a 2D label on CRL IP7 p44 = CRR IP6 p41)",
   "notes": "",
   "image": "../images/fcc/parts/tkm-03.jpg",
   "image_source": "CRL IP7 p45, lower photo (= CRR IP7 p42)"
  },
  {
   "id": "TKM-05",
   "section": "track-mb",
   "location": "Qi receiver (refdes read `U15` or `U5`)",
   "part_number": "MT5705",
   "manufacturer": "Maxic Technology",
   "function": "Qi 5 W receiver",
   "marking": "`MAXIC` / `MT5705` / `245303` / `H…A` [lines 1-3 clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP7 p46 = CRR IP7 p43",
   "notes": "Different lot (`245303`) from the Tune and Touch parts (`240801`).",
   "image": "../images/fcc/parts/tkm-05.jpg",
   "image_source": "CRL IP7 p46, upper photo (= CRR IP7 p43)"
  },
  {
   "id": "TKM-06",
   "section": "track-mb",
   "location": "`U8`",
   "part_number": "SGM41523 (base variant)",
   "manufacturer": "SG Micro",
   "function": "Single-cell switch-mode charger",
   "marking": "`SGM` / `41523DF` / `S2GPC` [clear]",
   "verdict": "corrected",
   "verdict_note": "Third line `S2GPC`, not `S26PC`",
   "tag": "DOC",
   "source": "CRL IP7 p46 = CRR IP7 p43",
   "notes": "",
   "image": "../images/fcc/parts/tkm-06.jpg",
   "image_source": "CRL IP7 p46, upper photo (= CRR IP7 p43)"
  },
  {
   "id": "TKM-07",
   "section": "track-mb",
   "location": "`Y1`, load caps `C102`, `C103`",
   "part_number": "16.000 MHz crystal",
   "manufacturer": "not identified",
   "function": "STM32 HSE",
   "marking": "`YC16.0` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP7 p45 = CRR IP7 p42",
   "notes": "",
   "image": "../images/fcc/parts/tkm-07.jpg",
   "image_source": "CRL IP7 p45, lower photo (= CRR IP7 p42)"
  },
  {
   "id": "TKM-11",
   "section": "track-mb",
   "location": "Two diodes near `C40`/`C41`; one near `D16`",
   "part_number": "`SL`: 1N5819W / B5819W class Schottky (SOD-123FL); `T4`: 1N4148WS class switching diode (SOD-323)",
   "manufacturer": "multi-source",
   "function": "Schottky power-path diodes and a small-signal switching diode",
   "marking": "`SL` on two parts, `T4` with cathode bar on the third [clear]",
   "verdict": "corrected",
   "verdict_note": "Two different diode families, not one class",
   "tag": "DOC; INFERRED (code-to-part)",
   "source": "CRL IP7 p46 = CRR IP7 p43",
   "notes": "",
   "image": "../images/fcc/parts/tkm-11.jpg",
   "image_source": "CRL IP7 p46, upper photo (= CRR IP7 p43)"
  },
  {
   "id": "TKM-12",
   "section": "track-mb",
   "location": "ESD parts",
   "part_number": "unmarked ESD/TVS parts",
   "manufacturer": "-",
   "function": "Line protection",
   "marking": "`ESD3`, `ESD4`, `ESD6`, `ESD7`, `ESD11`, `ESD15`, `ESD25` (+ `ESD22`, `ESD27` from the extraction pass) [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP7 p45 = CRR IP7 p42; CRL IP7 p46 = CRR IP7 p43",
   "notes": "The ESD4 part's own marking is U-TKM-12b.",
   "image": "../images/fcc/parts/tkm-12.jpg",
   "image_source": "CRL IP7 p46, upper photo (= CRR IP7 p43); shows ESD3, ESD4, ESD6, ESD7"
  },
  {
   "id": "TKM-13",
   "section": "track-mb",
   "location": "Inductors and links",
   "part_number": "1.0 uH (`1R0`) power inductor; 0-ohm link in `L13`; coil pads at `L11`",
   "manufacturer": "not identified",
   "function": "Charger inductor (INFERRED); Qi coil landing",
   "marking": "`1R0` [clear]; `L13` part marked `0`; second inductor `10…` [partial]; `L1`, `L11` refs",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP7 p45 = CRR IP7 p42; CRL IP7 p46 = CRR IP7 p43",
   "notes": "",
   "image": "../images/fcc/parts/tkm-13.jpg",
   "image_source": "CRL IP7 p46, upper photo (= CRR IP7 p43); shows the 1R0 inductor"
  },
  {
   "id": "TKM-15",
   "section": "track-mb",
   "location": "`C9`, `C18`, `C21`, `C31` at the coil pads",
   "part_number": "larger MLCCs, unmarked",
   "manufacturer": "-",
   "function": "Qi resonant/filter bank (INFERRED)",
   "marking": "Refs [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (role)",
   "source": "CRL IP7 p46 = CRR IP7 p43",
   "notes": "",
   "image": "../images/fcc/parts/tkm-15.jpg",
   "image_source": "CRL IP7 p46, upper photo (= CRR IP7 p43)"
  },
  {
   "id": "TKM-16",
   "section": "track-mb",
   "location": "`S2`-`S5`",
   "part_number": "SMD tactile switches, metal frame, round brass actuators about 4-5 mm, unmarked",
   "manufacturer": "not identified",
   "function": "The four Track buttons (mapping to `TRACK_K1`-`K4` INFERRED)",
   "marking": "`S2`, `S4`, `S5` [clear], `S3` [partial]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; MEASURED (four buttons, bitmask 1/2/4/8, 2026-09-06)",
   "source": "CRL IP7 p45 = CRR IP7 p42; CRL IP7 p46 = CRR IP7 p43; CRR IP6 p41; measured on one Track, 2026-09-06",
   "notes": "",
   "image": "../images/fcc/parts/tkm-16.jpg",
   "image_source": "CRL IP7 p46, upper photo (= CRR IP7 p43); shows S2"
  },
  {
   "id": "TKM-17",
   "section": "track-mb",
   "location": "`LED1` between the two 1x4 pad rows",
   "part_number": "square top-view LED with round lens, unmarked",
   "manufacturer": "not identified",
   "function": "The Track's single status LED (RGB per marketing, INFERRED)",
   "marking": "`LED1` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP7 p45 = CRR IP7 p42",
   "notes": "One LED on the board supports the 'single dot' reading over the '~15 LEDs' band-pass note (OQ-08).",
   "image": "../images/fcc/parts/tkm-17.jpg",
   "image_source": "CRL IP7 p45, upper photo (= CRR IP7 p42)"
  },
  {
   "id": "TKM-18",
   "section": "track-mb",
   "location": "Connectors",
   "part_number": "wire-to-board and board-to-board sockets, unmarked",
   "manufacturer": "not identified",
   "function": "`M1` white 2-way (motor) by `SENSOR1_3V3`; white 4-way under red-printed tape by `SENSOR2…`; two black 4-position female sockets by `GND2`/`VBAT`/`RX`/`TX`/`?AD_VDD` (take the interposer, INFERRED)",
   "marking": "[clear presence]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (roles)",
   "source": "CRL IP7 p44 = CRR IP6 p41",
   "notes": "",
   "image": "../images/fcc/parts/tkm-18.jpg",
   "image_source": "CRL IP7 p44, upper photo (= CRR IP6 p41)"
  },
  {
   "id": "TKM-19",
   "section": "track-mb",
   "location": "FPC tails",
   "part_number": "two orange FPC tails soldered to the ring",
   "manufacturer": "-",
   "function": "To the two sensor boards (INFERRED)",
   "marking": "About 5-8 and 9-10 conductors [counts estimated]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP7 p44 = CRR IP6 p41",
   "notes": "",
   "image": "../images/fcc/parts/tkm-19.jpg",
   "image_source": "CRL IP7 p45, upper photo (= CRR IP7 p42)"
  },
  {
   "id": "TKM-20",
   "section": "track-mb",
   "location": "Pad rows either side of `LED1`; extra pad clusters near `R22`/`R23`/`R26`/`R27`",
   "part_number": "two 1x4 rows of bare plated through-holes",
   "manufacturer": "-",
   "function": "Programming header, board attach or DNP option (unknown)",
   "marking": "Pad rows unpopulated [clear]; 2x2 and 2-pad clusters, fitted or DNP not provable",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR IP7 p42, p43",
   "notes": "",
   "image": "../images/fcc/parts/tkm-20.jpg",
   "image_source": "CRL IP7 p45, upper photo (= CRR IP7 p42); the two 1x4 rows beside LED1"
  },
  {
   "id": "TKM-21",
   "section": "track-mb",
   "location": "Net pads",
   "part_number": "test pads",
   "manufacturer": "-",
   "function": "Buttons, charger, SWD/boot, two sensor buses, haptic enable, dock UART",
   "marking": "`TRACK_K1`-`TRACK_K4`; `VBUS`, `QI_VBUS`, `NTC`, `CHARGE_FULL`, `LDO_ON`, `BAT_ADC`, `USB_ADC`, `VBAT`, `VDD_3V3`; `SWCLK1`, `SWDIO1`, `BOOT0`, `BOOT?`, `RST`; `SENSOR1_3V3`, `INT1`, `SCL`, `SDA`, `SCL1`, `SDA1`, `SENSOR2_3V3`, `INT2`; `TRACK_?RA_EN`, `MOTOR_IN?`; `RX`, `TX`, `USB_5V`, `PAD_VDD`, `LED_?`, `GND2`, `GND5`, `GND6` [clear to partial]",
   "verdict": "confirmed",
   "verdict_note": "Subset re-read; rest corroborated by two readings",
   "tag": "DOC",
   "source": "CRL IP7 p44 = CRR IP6 p41",
   "notes": "",
   "image": "../images/fcc/parts/tkm-21.jpg",
   "image_source": "CRL IP7 p44, upper photo (= CRR IP6 p41); lower and left arcs"
  },
  {
   "id": "TKX-04",
   "section": "track-x",
   "location": "Sensor-board pads and parts",
   "part_number": "pads, FPC `J3`, ESD and passives",
   "manufacturer": "-",
   "function": "PixArt-style 3-wire optical-sensor port (`SCLK`/`SDIO`/`MOTION`, INFERRED); two sensors on the ball allow twist sensing (INFERRED)",
   "marking": "SensorL: `3V3_SENSOR` (partial), `MOTION`, `SDIO` (partial), `SCLK`, `GND1`, `R11`, `C27`, `C28`; SensorR: `MOTION`, `SCLK3`, `SDIO3`, `3V3`, `GND`, `R9`; backs: `J3` (about 6 contacts), `ESD5`, `ESD8`-`ESD10`, `ESD13`, `ESD14`, `ESD17`, `ESD21`, `ESD22`, `C2`, `C3`, `C53`-`C56`, `C77`, `C83`, `C84`, `R5`, `R6` [clear except where marked]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED",
   "source": "CRL IP6 p39 = CRR IP6 p36",
   "notes": "The sensor ICs themselves are U-TKX-03.",
   "image": "../images/fcc/parts/tkx-04.jpg",
   "image_source": "CRL IP6 p39, upper photo (= CRR IP6 p36); connector side, J3 and ESD parts"
  },
  {
   "id": "TKX-07",
   "section": "track-x",
   "location": "Track dock contacts on the pogo board",
   "part_number": "8 gold domed contacts, 2 x 4, one black housing",
   "manufacturer": "not identified",
   "function": "Track module-side dock contacts",
   "marking": "Labels `GND`, `VBAT`, up-arrow, `RX`, `ON`; 4 plated holes on each short edge; pitch about 2.5-3 mm (INFERRED) [clear count]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (pitch)",
   "source": "CRL IP6 p37, p40 = CRR IP5 p34; CRR IP6 p37",
   "notes": "Corrects an earlier '2 x 5' reading.",
   "image": "../images/fcc/parts/tkx-07.jpg",
   "image_source": "CRL IP6 p40, lower photo (= CRR IP6 p37)"
  },
  {
   "id": "TKX-10",
   "section": "track-x",
   "location": "Haptic motor",
   "part_number": "flat coin vibration motor about 7-9 mm, unmarked",
   "manufacturer": "not identified",
   "function": "Track haptics; ERM vs coin LRA unresolved (U-TKX-10b)",
   "marking": "Red and blue leads about 5 cm to a white 2-pin plug (mates `M1`) [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (size)",
   "source": "CRL IP6 p41 = CRR IP6 p38",
   "notes": "",
   "image": "../images/fcc/parts/tkx-10.jpg",
   "image_source": "CRL IP6 p41, upper photo (= CRR IP6 p38)"
  },
  {
   "id": "TKX-11",
   "section": "track-x",
   "location": "Qi receive coil",
   "part_number": "multi-strand spiral on black ferrite, disc about 34-35 mm (winding about 28 mm OD / 19 mm ID), foam ring",
   "manufacturer": "not identified",
   "function": "Qi coil feeding the MT5705; leads soldered at pads by `L11`",
   "marking": "No marking [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (sizes)",
   "source": "CRL IP6 p38; CRL IP7 p44, p46 = CRR IP6 p35, p41; CRR IP7 p43",
   "notes": "",
   "image": "../images/fcc/parts/tkx-11.jpg",
   "image_source": "CRL IP7 p44, upper photo (= CRR IP6 p41)"
  },
  {
   "id": "TKX-12",
   "section": "track-x",
   "location": "Ball cup and carrier",
   "part_number": "black hemispherical cup with a central hole; translucent carrier with two sensor mounts",
   "manufacturer": "-",
   "function": "Trackball socket and sensor-board carrier",
   "marking": "Bearings not resolvable [clear shape]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP6 p38 = CRR IP6 p35",
   "notes": "",
   "image": "../images/fcc/parts/tkx-12.jpg",
   "image_source": "CRL IP6 p38, only photo (= CRR IP6 p35)"
  },
  {
   "id": "TKX-13",
   "section": "track-x",
   "location": "Trackball assembly",
   "part_number": "dark ball in a segmented top ring",
   "manufacturer": "-",
   "function": "Marketed 40 mm ball with 4 buttons; small dot at rear right = LED window (INFERRED)",
   "marking": "Ring opening about 40 mm against the tape (INFERRED) [clear shape]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED",
   "source": "CRL IP6 p37 = CRR IP5 p34; naya.tech marketing (40 mm ball, 4 buttons)",
   "notes": "",
   "image": "../images/fcc/parts/tkx-13.jpg",
   "image_source": "CRL IP6 p37, upper photo (= CRR IP5 p34)"
  },
  {
   "id": "TKX-14",
   "section": "track-x",
   "location": "Base cover",
   "part_number": "black teardrop cover with 6 rectangular metal inserts, a window for the pogo block and a round seat (Qi, INFERRED)",
   "manufacturer": "-",
   "function": "Dock magnets or steel strike plates (INFERRED)",
   "marking": "6 inserts [clear count]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED",
   "source": "CRL IP6 p38 = CRR IP6 p35",
   "notes": "",
   "image": "../images/fcc/parts/tkx-14.jpg",
   "image_source": "CRL IP6 p38, only photo (= CRR IP6 p35)"
  },
  {
   "id": "TKX-15",
   "section": "track-x",
   "location": "Track base label",
   "part_number": "label artwork",
   "manufacturer": "-",
   "function": "Base label printed with empty certification fields",
   "marking": "`Designed in the Netherlands`; `naya.tech · Naya B.V.`; address line; `FCC ID:` and `IC:` printed with no value [clear]; `P/N: NAYA-` + 2 unclear characters + `00-2` (U-TKX-15b); `S/N:` (withheld); `Input: 5V⎓500mA` [partial]",
   "verdict": "confirmed",
   "verdict_note": "Only the P/N digits are unverifiable",
   "tag": "DOC",
   "source": "CRL IP6 p37 = CRR IP5 p34",
   "notes": "",
   "image": "../images/fcc/parts/tkx-15.jpg",
   "image_source": "CRL IP6 p37, lower photo (= CRR IP5 p34)"
  },
  {
   "id": "TKX-16",
   "section": "track-x",
   "location": "Track base marks and contacts",
   "part_number": "compliance marks; 8 exposed contacts",
   "manufacturer": "-",
   "function": "Marks and the exposed dock contacts",
   "marking": "KC, CE, `UK`/`CA`, WEEE, `VCCI` (double box, in full), N-in-ellipse (issuer unidentified) [clear]; two marks shape-only (Giteki?, RCM?); 8 gold contacts 2 x 4 in a recess with two flanking round features",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL IP6 p37 = CRR IP5 p34",
   "notes": "",
   "image": "../images/fcc/parts/tkx-16.jpg",
   "image_source": "CRL IP6 p37, lower photo (= CRR IP5 p34)"
  },
  {
   "id": "TKX-17",
   "section": "track-x",
   "location": "Internal harness",
   "part_number": "wire-to-board harness and FPC",
   "manufacturer": "-",
   "function": "White 3-pin connector (red, black, yellow-green wires; battery, INFERRED); red/blue pair to a white 2-pin plug (motor); orange FPC about 6-8 traces into a white connector",
   "marking": "[clear presence]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (roles)",
   "source": "CRL IP6 p38 = CRR IP6 p35",
   "notes": "",
   "image": "../images/fcc/parts/tkx-17.jpg",
   "image_source": "CRL IP6 p38, only photo (= CRR IP6 p35)"
  },
  {
   "id": "BAT-01",
   "section": "battery",
   "location": "Each keyboard half, one cell, taped with its protection board",
   "part_number": "`FH301217` (report: 'Model: 301217')",
   "manufacturer": "not identified (`FH` prefix)",
   "function": "Half cell: keeps the half on while a module is swapped; charged while the half draws power; Li-ion polymer pouch about 3.0 x 12 x 17 mm by size code (INFERRED)",
   "marking": "`- FH301217 3.7V` / `+ 50mAh 0.185Wh` [clear]; report 'Power Source 1# Supplied from battery. Model: 301217', 'DC 3.7V 50mAh 0.185Wh'; '2# Supplied from PC USB port', 'DC 5V'",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (chemistry, size)",
   "source": "CRL IP2 p13, p14; CRL IP1 p7; CRR IP1 p10, p11; CRL BLE p10; CRL SRD p10; CRR BLE p10; CRR SRD p10; CRR UM1 p4",
   "notes": "Manual v1.0.6 spec sheet says 'Internal Battery Capacity 45mA'; the cell and the report say 50 mAh (45 is a typo or a minimum, INFERRED).",
   "image": "../images/fcc/batteries/half.jpg",
   "image_source": "battery photo (see Battery replacement)"
  },
  {
   "id": "BAT-02",
   "section": "battery",
   "location": "Half cell lead",
   "part_number": "3-wire lead into a white multi-contact plug (JST SH class pitch, about 1.0-1.25 mm)",
   "manufacturer": "not identified",
   "function": "Cell connection; the white wire is an NTC or ID line (INFERRED)",
   "marking": "Red / white / black wires; 3-4 gold blades visible in the shell [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (pitch, role)",
   "source": "CRL IP2 p14; CRR IP1 p10, p11",
   "notes": "The mainboard receptacle's pin count is unresolved (U-HP-10).",
   "image": "../images/fcc/batteries/half.jpg",
   "image_source": "battery photo (see Battery replacement)"
  },
  {
   "id": "BAT-06",
   "section": "battery",
   "location": "Naya Tune pack",
   "part_number": "`FH 202030`",
   "manufacturer": "not identified (`FH` prefix)",
   "function": "Tune battery: 3.7 V 1000 mAh 3.7 Wh Li-ion polymer block pack, blue PVC wrap; about 20 x 20 x 30 mm by size code (INFERRED); 3 wires red/white/black to a white 3-position plug",
   "marking": "`+ FH 202030 3.7V` / `1000mAh 3.7Wh` / `- 20250603` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (size)",
   "source": "CRL IP2 p18; CRL IP4 p25-p26 = CRR IP2 p15; CRR IP4 p22-p23",
   "notes": "",
   "image": "../images/fcc/batteries/tune.jpg",
   "image_source": "battery photo (see Battery replacement)"
  },
  {
   "id": "BAT-09",
   "section": "battery",
   "location": "Naya Touch cell A",
   "part_number": "`FH364046`",
   "manufacturer": "not identified (`FH` prefix)",
   "function": "Touch battery: 3.7 V 700 mAh 2.59 Wh Li-ion polymer pouch about 3.6 x 40 x 46 mm by size code (INFERRED); 3 wires red/black/white to a white 3-position plug (mates `J3`); protection board under yellow Kapton",
   "marking": "`- FH364046 3.7V` / `700mAh 2.59Wh` / `+ 20250611` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (size)",
   "source": "CRL IP5 p33-p34 = CRR IP5 p30-p31",
   "notes": "",
   "image": "../images/fcc/batteries/touch.jpg",
   "image_source": "battery photo (see Battery replacement)"
  },
  {
   "id": "BAT-10",
   "section": "battery",
   "location": "Naya Touch cell B (teardown layout photo)",
   "part_number": "`FH364045`",
   "manufacturer": "not identified (`FH` prefix)",
   "function": "A second 700 mAh cell of the same family",
   "marking": "`- FH364045 3.7V` / `700mAh 2.59WH` / `+ 20241201` [clear; last model digit `5` on both copies]",
   "verdict": "confirmed",
   "verdict_note": "Model digit now read (was `FH36404?`)",
   "tag": "DOC",
   "source": "CRL IP4 p28 = CRR IP4 p25",
   "notes": "Whether a Touch holds one cell or two is open (OQ-20).",
   "image": "../images/fcc/batteries/touch.jpg",
   "image_source": "battery photo (see Battery replacement)"
  },
  {
   "id": "BAT-13",
   "section": "battery",
   "location": "Naya Track pack",
   "part_number": "`QS801630 1S2P`",
   "manufacturer": "not identified (`QS` prefix)",
   "function": "Track battery: 3.7 V 600 mAh 2.22 Wh, two cells in parallel bent around the ring, yellow polyimide tape, nickel tabs; 3 wires red/yellow/black to a white 3-way plug",
   "marking": "`QS801630 1S2P 600mAh` / `3.7V 2.22Wh`; date codes `25H09` (lab photo) and `25G24` (a second, supplier-style photo) [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (two packs photographed)",
   "source": "CRL IP6 p38; CRL IP7 p42-p43 = CRR IP6 p35, p39-p40",
   "notes": "",
   "image": "../images/fcc/batteries/track-pack.jpg",
   "image_source": "battery photo (see Battery replacement)"
  },
  {
   "id": "BAT-14",
   "section": "battery",
   "location": "Naya Track cell (inside the 1S2P pack)",
   "part_number": "`QS801630` single cell",
   "manufacturer": "not identified",
   "function": "One of the two pouch cells: 300 mAh, 1.11 Wh; about 8.0 x 16 x 30 mm by size code (INFERRED); 2 x 300 mAh = 600 mAh, 2 x 1.11 Wh = 2.22 Wh",
   "marking": "`QS801630` / `300mAh` / `…09 3.7V 1.11Wh` [partial]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED (size)",
   "source": "CRL IP7 p42 = CRR IP6 p39",
   "notes": "",
   "image": "../images/fcc/batteries/track-cell.jpg",
   "image_source": "battery photo (see Battery replacement)"
  },
  {
   "id": "BAT-16",
   "section": "battery",
   "location": "Advertised vs filed capacities",
   "part_number": "-",
   "manufacturer": "-",
   "function": "Vendor capacity figures disagree three ways (Tune / Touch / Track): website and 2023 campaign spec sheet 1500 / 800 / 800 mAh; v1.1.0 manuals 1500 / 1500 / 700 mAh; filed pre-production samples 1000 / 700 / 600 mAh",
   "marking": "n/a",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "vendor website (archived); Kickstarter campaign Specs Sheet (2023); Tune, Touch and Track manuals v1.1.0 p2; BAT-06, BAT-09, BAT-13",
   "notes": "Retail capacities are not confirmed (OQ-21).",
   "image": null,
   "image_source": null
  },
  {
   "id": "BAT-18",
   "section": "battery",
   "location": "Module input rating (Touch and Track bases)",
   "part_number": "`Input: 5V⎓500mA`",
   "manufacturer": "-",
   "function": "Module DC input rating",
   "marking": "[clear on the Track base; clear to partial on the Touch base]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "Track: CRL IP6 p37 = CRR IP5 p34; Touch: CRL IP4 p27 = CRR IP4 p24",
   "notes": "",
   "image": "../images/fcc/parts/tkx-15.jpg",
   "image_source": null
  },
  {
   "id": "BAT-19",
   "section": "battery",
   "location": "Module power path",
   "part_number": "-",
   "manufacturer": "-",
   "function": "Dock 5 V (`VBUS`/`VBUS_5V`/`USB_5V`) or Qi (`QI_VBUS` from the MT5705) through `SL` Schottky diodes into the SGM41523 (charger only) and the pack; power back to the half only via the `VBAT` dock line or a boost (SGM62117 on the Tune and Touch)",
   "marking": "Manual: halves' cells 'charged automatically while the keyboard is drawing power'; 'Docked modules will be charged ... if the keyboard is connected to a power source'; Qi 'both when docked and when not' [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC (parts, pads, manual); INFERRED (topology)",
   "source": "CRR UM1 p4; TUM-05, TUM-06, TUM-11, TCM-06, TCM-09, TKM-06",
   "notes": "",
   "image": null,
   "image_source": null
  },
  {
   "id": "BAT-20",
   "section": "battery",
   "location": "Dongle power",
   "part_number": "-",
   "manufacturer": "-",
   "function": "Bus-powered; no battery, no cell in the photos",
   "marking": "'Power Source: Supplied from USB port', 'Power Rating: DC 5V' [clear]; label `Rating: 5V⎓30mA` [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "DG RF p10; DG IP p4, p5; DG LBL",
   "notes": "",
   "image": "../images/fcc/boards/label-dongle.jpg",
   "image_source": "board view: DG LBL p1"
  },
  {
   "id": "ACC-01",
   "section": "acc",
   "location": "Box item D",
   "part_number": "'1m USB Type-C Y-Cable'",
   "manufacturer": "not identified",
   "function": "Two short USB-C ends to the halves, long USB-C end to the computer; molded splitter (no print); gray hook-and-loop strap; UL AWM class jacket (30V/80°C/VW-1 triple, INFERRED)",
   "marking": "Jacket print `30V`, `VW-1` [clear], `?0°C` (80 likely), `STYL…` (style number not legible) [partial]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC; INFERRED",
   "source": "CRR UM1 p2, p6; CRL IP7 p47-p48 = CRR IP7 p46-p47",
   "notes": "",
   "image": "../images/fcc/parts/acc-01.jpg",
   "image_source": "CRL IP7 p47, lower photo (= CRR IP7 p46): jacket print 30V, VW-1, 80 C, STYLE"
  },
  {
   "id": "ACC-02",
   "section": "acc",
   "location": "Lab support cable",
   "part_number": "'USB Cable, Shielded NO, Ferrite Core NO, 0.8m'",
   "manufacturer": "-",
   "function": "Cable between the EUT and the host notebook during tests; the setup photos show a Y-splitter body like ACC-01",
   "marking": "Support-unit table text [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRL BLE p14; CRR BLE p14, p35; CRR SRD p13, p34",
   "notes": "0.8 m (lab) vs 1 m (retail) unresolved. The CRL setup photos repeat the report photos byte for byte.",
   "image": null,
   "image_source": null
  },
  {
   "id": "ACC-03",
   "section": "acc",
   "location": "Box item C",
   "part_number": "'Speedlink Dongle' (`NAYA-100-1`)",
   "manufacturer": "Naya",
   "function": "USB dongle; spec sheet 'Speedlink Connection: Using Bluetooth v5.4'",
   "marking": "Box list; subtitle 'Wireless dongle · NAYA-100-1(Dongle)' in the CRR v1.0.6 copy only [clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR UM1 p2, p3; CRL UM1 p2",
   "notes": "The dongle filing's manual is this same v1.0.6 manual: no dongle pairing procedure or LED description, one troubleshooting line ('Ensure the speedlink dongle is properly seated', UM4 p2).",
   "image": "../images/fcc/boards/dongle-exterior.jpg",
   "image_source": "board view: DG EP p2"
  },
  {
   "id": "ACC-04",
   "section": "acc",
   "location": "Box item A",
   "part_number": "'Travel Case'",
   "manufacturer": "-",
   "function": "Clamshell case; 'can be stored in your travel case with modules attached'",
   "marking": "[clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR UM1 p2; CRR UM2 p3",
   "notes": "",
   "image": null,
   "image_source": null
  },
  {
   "id": "ACC-05",
   "section": "acc",
   "location": "Box item E",
   "part_number": "'Keycap/Switch Puller'",
   "manufacturer": "-",
   "function": "One tool: wire keycap end, two-prong switch end",
   "marking": "[clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR UM1 p2; CRR UM3 p1, p3",
   "notes": "",
   "image": null,
   "image_source": null
  },
  {
   "id": "ACC-06",
   "section": "acc",
   "location": "Box item F",
   "part_number": "'Spare/Sample Switches (3x)' (Kailh CPG-1232 per the spec sheet)",
   "manufacturer": "Kailh",
   "function": "Spare switches",
   "marking": "[clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR UM1 p2, p3",
   "notes": "",
   "image": "../images/fcc/parts/en-01.jpg",
   "image_source": "see EN-01: CRL IP1 p6, lower photo: low-profile switches with red stems and clear housings in the plate"
  },
  {
   "id": "ACC-07",
   "section": "acc",
   "location": "Box item G",
   "part_number": "'Module Spacers (2x)'",
   "manufacturer": "-",
   "function": "Ring-shaped spacers that 'pack empty space and prevent shifting while stored'",
   "marking": "[clear]",
   "verdict": "confirmed",
   "verdict_note": "",
   "tag": "DOC",
   "source": "CRR UM1 p2; CRR UM2 p3",
   "notes": "",
   "image": null,
   "image_source": null
  },
  {
   "id": "ACC-08",
   "section": "acc",
   "location": "SAR test cable (lab, not in the box)",
   "part_number": "'USB extension cable', 18.8 cm",
   "manufacturer": "-",
   "function": "USB-A plug on a tethered adapter sleeve at the host end, receptacle at the dongle end; used for three of the five SAR positions",
   "marking": "[clear]",
   "verdict": "new (2026-09-23 exhibits)",
   "verdict_note": "one extraction pass, no blind re-read",
   "tag": "DOC; INFERRED (connector reading)",
   "source": "DG SAR p24; DG SAR-D photos 2, 3, 5",
   "notes": "",
   "image": "../images/fcc/parts/acc-08.jpg",
   "image_source": "DG SAR p24, auxiliary-equipment photo (USB extension cable on a ruler)"
  }
 ],
 "unconfirmed": [
  {
   "id": "U-LB-11b",
   "board": "Identifiers",
   "location": "Energy mark and Japanese certification body",
   "legible": "N crossed by an ellipse + 'ENERGY VERIFIED'; Giteki body code `219`",
   "candidate": "-",
   "why": "Issuers not identified by any search",
   "source": "CRR LBL",
   "verdict": "unverifiable"
  },
  {
   "id": "U-HM-08",
   "board": "Half mainboard",
   "location": "`Y2`, both halves",
   "legible": "`Y2` (left), `?2` (right); 2-pad package; lid marking illegible",
   "candidate": "32.768 kHz LFXO (INFERRED, nRF52 reference design)",
   "why": "Body marking out of frame or unmarked in every photo",
   "source": "CRL IP1 p7, p10; CRR IP1 p8",
   "verdict": "unverifiable"
  },
  {
   "id": "U-HM-09b",
   "board": "Half mainboard",
   "location": "`U1` flash, lines 2-4 (right half)",
   "legible": "Extraction pass: `Q3??V???Q` / `2?0? 6?34` (best `2208 6134`) / `?0100??`; adversarial re-crop: line 2 has a `Q`, a digit and a `V`, nothing assignable",
   "candidate": "Winbond W25Q-series part (INFERRED)",
   "why": "Too few pixels per glyph",
   "source": "CRR IP1 p8",
   "verdict": "unverifiable"
  },
  {
   "id": "U-HM-10",
   "board": "Half mainboard",
   "location": "QSPI flash capacity",
   "legible": "No density digit legible",
   "candidate": "8 MB class (an earlier note, no photographic support) or 32 Mbit (if line 2 is `Q3`); STATIC: NayaCore 6.11.0 carries per-half images for flash generations A and B (`kb_fwl.bin` / `kb_fwl_64.bin`) chosen by PID bit 0x1000, so two capacities may exist; our units are generation A (MEASURED, keyboard firmware 3.41.0)",
   "why": "The 8 MB figure has no photographic support; the `Q3` read is not confirmed",
   "source": "CRR IP1 p8; STATIC: NayaCore 6.11.0 (per-generation image pair `kb_fwl.bin` / `kb_fwl_64.bin`, PID bit 0x1000)",
   "verdict": "unverifiable"
  },
  {
   "id": "U-HM-13b",
   "board": "Half mainboard",
   "location": "USB-C receptacle pin class",
   "legible": "About 13 legs counted in a partial crop",
   "candidate": "16-pin USB 2.0 receptacle (INFERRED: the nRF52840 is USB 2.0 FS only)",
   "why": "Full leg row not in any crop",
   "source": "CRR IP1 p8",
   "verdict": "unverifiable"
  },
  {
   "id": "U-HM-15b",
   "board": "Half mainboard",
   "location": "`BOOT` pad label (left)",
   "legible": "`BOOT` clear; a following `1` may belong to adjacent silkscreen",
   "candidate": "`BOOT1`",
   "why": "Ambiguous glyph ownership",
   "source": "CRL IP1 p9",
   "verdict": "unverifiable"
  },
  {
   "id": "U-HP-01b",
   "board": "Half mainboard",
   "location": "IC beside `L11` (left)",
   "legible": "4-6 pad black package, pin-1 dot, no glyphs",
   "candidate": "DC-DC converter (INFERRED from the paired inductor)",
   "why": "No marking resolvable",
   "source": "CRL IP1 p9",
   "verdict": "unverifiable"
  },
  {
   "id": "U-HP-02b",
   "board": "Half mainboard",
   "location": "`U10` (left)",
   "legible": "6-lead SOT-23-6 package, no glyphs",
   "candidate": "Regulator or load switch (INFERRED)",
   "why": "No marking resolvable",
   "source": "CRL IP1 p9",
   "verdict": "unverifiable"
  },
  {
   "id": "U-HP-03",
   "board": "Half mainboard",
   "location": "QFN/DFN between `R78`, `R79`, `R80`, `C101` (left)",
   "legible": "Black square package; leads sub-pixel; no marking",
   "candidate": "Battery charger or power manager (INFERRED from nearby `USB_ADC`, `BAT_ADC`, `VBUS_5V`, `CHG_?NT`)",
   "why": "No marking resolvable",
   "source": "CRL IP1 p9",
   "verdict": "unverifiable"
  },
  {
   "id": "U-HP-04",
   "board": "Half mainboard",
   "location": "2-terminal part beside `R79` (`C110`, `C32`) (left)",
   "legible": "Uniform black molded body, no band, no code",
   "candidate": "Schottky diode (INFERRED from shape)",
   "why": "No marking",
   "source": "CRL IP1 p9",
   "verdict": "unverifiable"
  },
  {
   "id": "U-HP-06",
   "board": "Half mainboard",
   "location": "Epoxy glob beside `R90`, `R13`, `R89`, `R87` (left)",
   "legible": "Irregular black potting, no leads or marking",
   "candidate": "-",
   "why": "Covered",
   "source": "CRL IP1 p9",
   "verdict": "unverifiable"
  },
  {
   "id": "U-HP-07",
   "board": "Half mainboard",
   "location": "`Q1`, `Q6`, `Q8`-`Q11` (left); `Q1` (right)",
   "legible": "Left: SOT-23 bodies, markings illegible (`Q7` empty); right `Q1`: `S2U` (middle glyph `2` or `Z`)",
   "candidate": "Load switches for the module, LED and 5 V rails (INFERRED)",
   "why": "`S2U` has no entry in the marking-code databases reached (s-manuals.com `S2`, `2U`); search-engine summaries gave two contradictory identities",
   "source": "CRL IP1 p9; CRR IP1 p8",
   "verdict": "unverifiable"
  },
  {
   "id": "U-HP-08",
   "board": "Half mainboard",
   "location": "Small package near `C101`/`R12` (right)",
   "legible": "3-5 leads; refdes `U3` or `U5`; marking illegible",
   "candidate": "Small regulator or logic part (INFERRED)",
   "why": "No marking resolvable",
   "source": "CRR IP1 p8",
   "verdict": "unverifiable"
  },
  {
   "id": "U-HP-10",
   "board": "Half mainboard",
   "location": "Battery receptacle at `VBAT2` (left)",
   "legible": "Pads `VBAT2`, `NTC` [clear], `M?_VBAT_2` (`MZ` most likely); cream body about 20-25 px wide in the photo",
   "candidate": "Mates the 3-wire cell lead (BAT-02) (INFERRED)",
   "why": "Pin count not resolvable",
   "source": "CRL IP1 p9",
   "verdict": "unverifiable"
  },
  {
   "id": "U-WG-03b",
   "board": "Wing",
   "location": "Power slide switch part number",
   "legible": "No marking (about 2 mm features)",
   "candidate": "C&K PCM12SMTR-class right-angle SPDT switch (form-factor candidate only, INFERRED)",
   "why": "Not a reading; needs a caliper or a donor board",
   "source": "CRL IP1 p12; CRR IP1 p9",
   "verdict": "unverifiable"
  },
  {
   "id": "U-PD-02",
   "board": "Pogo",
   "location": "Right pogo board name",
   "legible": "Circled `R`, Pb mark, `GND_4`, `BOOT_2`, `5V_1`, `RX_2`; name under a QR sticker; `Cr` / `Pin` / `10` fragments very low confidence; edge text `?0010`",
   "candidate": "`Create_R_PogoPin_<date>_V10` (INFERRED from the left twin)",
   "why": "Name hidden",
   "source": "CRR IP2 p13; CRR IP1 p5, p6",
   "verdict": "unverifiable"
  },
  {
   "id": "U-EN-02",
   "board": "Half mechanics",
   "location": "Hot-swap socket part",
   "legible": "Manual drawing only: square recess, 2 round holes top, 2 slotted tabs, center window; no text",
   "candidate": "Kailh-compatible PG1232 socket (INFERRED)",
   "why": "No PG1232-specific socket part number found; sockets not legible in photos",
   "source": "CRR UM3 p4; CRL UM2 p6",
   "verdict": "unverifiable"
  },
  {
   "id": "U-LED",
   "board": "All boards",
   "location": "LED part numbers: half per-key, wing side bar, dock thumb, Tune ring, Touch LED1, Track LED1",
   "legible": "No marking on any LED body (a faint 1-2 character mark on the right dock LEDs is illegible)",
   "candidate": "WS2812/SK6812-class addressable LEDs (INFERRED from 4-pad `O`/`G`/`I`/`+` footprints and no driver IC); Tune ring side-view 4020 class (INFERRED)",
   "why": "Unmarked parts",
   "source": "CRL IP1 p8, p9, p11, p12; CRL IP2 p16; CRR IP1 p9, p12; CRL IP4 p23; CRL IP6 p35; CRL IP7 p45 = CRR IP3 p20; CRR IP5 p32; CRR IP7 p42",
   "verdict": "unverifiable"
  },
  {
   "id": "U-DG-07",
   "board": "Dongle",
   "location": "`Y2`",
   "legible": "2-pad metal lid about 2.1 x 1.1 mm, lid texture only",
   "candidate": "32.768 kHz LFXO (INFERRED)",
   "why": "Marking illegible after two enhancement passes",
   "source": "DG IP p5",
   "verdict": "unverifiable"
  },
  {
   "id": "U-DG-11b",
   "board": "Dongle",
   "location": "4-lead package labeled `ESD3`",
   "legible": "About 4 lead pads; no marking",
   "candidate": "USB ESD array or an LDO (INFERRED)",
   "why": "No marking",
   "source": "DG IP p5",
   "verdict": "unverifiable"
  },
  {
   "id": "U-DG-12",
   "board": "Dongle",
   "location": "0603 part on the `5V` pad",
   "legible": "`CG4` [clear] with a chevron and a band",
   "candidate": "Fuse, diode or TVS (INFERRED)",
   "why": "No `CG4` entry in s-manuals.com's CG table or other databases",
   "source": "DG IP p5",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TUM-07",
   "board": "Tune main board",
   "location": "`U11`",
   "legible": "8-lead small outline (4 per side), no marking",
   "candidate": "Actuator H-bridge driver (INFERRED from `PWM1`/`PWM2`/`SLEEP`)",
   "why": "No marking",
   "source": "CRL IP3 p19 = CRR IP2 p16",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TUM-08",
   "board": "Tune main board",
   "location": "`U9` near `ESD1`/`C32`",
   "legible": "Small square QFN/DFN, no marking",
   "candidate": "-",
   "why": "No marking",
   "source": "CRL IP3 p19 = CRR IP2 p16",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TUM-10b",
   "board": "Tune main board",
   "location": "`Q1`, `Q2`",
   "legible": "`S1B` or `S1D` on both (SOT-23)",
   "candidate": "-",
   "why": "Code not decoded in this package",
   "source": "CRL IP3 p20 = CRR IP2 p17",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TUM-13",
   "board": "Tune main board",
   "location": "`TVS1`",
   "legible": "Two lines; lower plausibly `5V`, upper unresolved",
   "candidate": "5 V TVS (INFERRED)",
   "why": "Partial marking",
   "source": "CRL IP3 p21 = CRR IP3 p18",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TUM-20b",
   "board": "Tune main board",
   "location": "Beside the `J5` dock block",
   "legible": "Two paler round pads next to the 8 contacts; the label after `TX` reads `5V` or `3V`",
   "candidate": "Separate `RX`/`TX` test pads (two readings) or positions 9-10 of one 2 x 5 block (one reading)",
   "why": "Readers disagree; 8 vs 10 signal count needs continuity",
   "source": "CRL IP2 p18; CRL IP3 p19 = CRR IP2 p15-p16",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TUX-03",
   "board": "Tune disc",
   "location": "`U1` touch controller",
   "legible": "Line 1 `CST3` + one character under a blue ink dot; line 2 `L3v9` + a partly hidden character",
   "candidate": "Hynitron CST3640, as on the Touch (INFERRED); family Hynitron CST3xxx",
   "why": "Suffix digit hidden under ink in every exposure",
   "source": "CRL IP4 p23 = CRR IP3 p20",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TUX-08b",
   "board": "Tune disc",
   "location": "`Q4`, `Q8` near `PWRON`",
   "legible": "SOT-23 bodies, markings illegible",
   "candidate": "Switches for `LED-VDD` / `TOUCH-VDD` (INFERRED)",
   "why": "No marking",
   "source": "CRL IP4 p23 = CRR IP3 p20",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TUX-13",
   "board": "Tune",
   "location": "Dial actuator",
   "legible": "Black cylindrical can with visible helical copper windings in a recess under the Qi coil; no marking; its own leads not visible",
   "candidate": "Marketing: 'Hapticore Driver by Xeeltech' (DOC, naya.tech marketing); XeelTech HAPTICORE parts are magnetorheological-fluid rotary actuators (xeeltech.com)",
   "why": "Identity rests on marketing plus shape; no SKU",
   "source": "CRL IP2 p18 = CRR IP2 p15",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TUX-15",
   "board": "Tune",
   "location": "Housed round component beside the internal dock block",
   "legible": "Black molded bracket; dark round part with a slotted clip and a center screw; no marking",
   "candidate": "Detent, bearing retainer or motor mount (not determinable)",
   "why": "No marking, function unclear",
   "source": "CRL IP2 p18 = CRR IP2 p15",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TUX-16",
   "board": "Tune",
   "location": "T-shaped sub-board",
   "legible": "Green PCB about 10 x 7-9 mm; metal frame about 9.3 x 3.7 mm with a white 'pill' about 3.3 x 1 mm at one end of a slot; 6 pads on the crossbar; about 1.2-1.5 mm unmarked IC; no board name",
   "candidate": "Micro slide switch (leading reading, INFERRED); not USB-C (a USB-C opening is about 8.3 x 2.4 mm)",
   "why": "No marking or name",
   "source": "CRL IP2 p18; CRL IP4 p24 = CRR IP2 p15; CRR IP3 p21",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TUX-20",
   "board": "Tune",
   "location": "Tune base label P/N",
   "legible": "`Designed in the Netherlands` [clear]; `FCC ID:` + placeholders; `S/N:` (withheld); `P/N:` digits low-confidence",
   "candidate": "`NAYA-700-3` (family pattern, INFERRED)",
   "why": "Too few pixels",
   "source": "CRL IP2 p17 = CRR IP2 p14",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TCM-11",
   "board": "Touch main board",
   "location": "`Q1`, `Q2` near `VBUS_5V`",
   "legible": "`S1D` on both (SOT-23) [clear]",
   "candidate": "-",
   "why": "Database hits (a 300 V SMBTA42-family NPN; DO-214 rectifiers) do not fit the circuit or package",
   "source": "CRL IP5 p31 = CRR IP5 p28",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TCX-10b",
   "board": "Touch pogo board",
   "location": "Round black part beside the contact block (back)",
   "legible": "No marking",
   "candidate": "Epoxy-blob IC, magnet or optical part (not determinable)",
   "why": "No marking",
   "source": "CRL IP4 p28; CRL IP5 p32 = CRR IP4 p25; CRR IP5 p29",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TCX-16b",
   "board": "Touch",
   "location": "Sensor board and cover size",
   "legible": "Estimates 66-72 mm (one extraction), about 45 mm (another), 25-30 mm (a recalibration)",
   "candidate": "Larger than the 44 mm main board (INFERRED)",
   "why": "Tape calibrations disagree; only the main board is anchored by a known package",
   "source": "CRL IP4 p28; CRL IP6 p35 = CRR IP4 p25; CRR IP5 p32",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TKM-08",
   "board": "Track main board",
   "location": "Small QFN on the upper-left arc near `L4`/`L6`",
   "legible": "About 3 mm, top looks unmarked",
   "candidate": "-",
   "why": "No marking",
   "source": "CRL IP7 p45 = CRR IP7 p42; CRR IP6 p41",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TKM-09",
   "board": "Track main board",
   "location": "Leaded IC near `S3`, beside a shielded inductor",
   "legible": "SOP/SOT class, smooth top; inductor reads `10…`",
   "candidate": "Regulator (INFERRED, weak)",
   "why": "No marking",
   "source": "CRL IP7 p45 = CRR IP7 p42; CRL IP7 p46 = CRR IP7 p43",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TKM-10",
   "board": "Track main board",
   "location": "`Q1`, `Q2`",
   "legible": "`S1D` on both (SOT-23) [clear]",
   "candidate": "-",
   "why": "Every database hit for `S1D` is a DO-214 rectifier (wrong package)",
   "source": "CRL IP7 p46 = CRR IP7 p43",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TKM-12b",
   "board": "Track main board",
   "location": "ESD4 part marking",
   "legible": "`S76` (best re-read) vs `S78` / `ST8` / `S7?` (extraction)",
   "candidate": "-",
   "why": "Glyphs ambiguous; no database match",
   "source": "CRL IP7 p45 = CRR IP7 p42",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TKM-14",
   "board": "Track main board",
   "location": "2-terminal part beside the `1R0` inductor",
   "legible": "`10` + an unclear third glyph after a hook mark",
   "candidate": "100 uF capacitor if `107` (INFERRED, weak)",
   "why": "Reflective surface; not confirmed",
   "source": "CRL IP7 p46 = CRR IP7 p43",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TKX-03",
   "board": "Track sensor boards",
   "location": "`U9` (SensorL), `U11` (SensorR)",
   "legible": "Black windowed packages with two apertures and an emitter element; no marking at 4x-16x",
   "candidate": "Optical motion sensor with a PixArt-style 3-wire port (INFERRED)",
   "why": "Unmarked",
   "source": "CRL IP6 p39 = CRR IP6 p36",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TKX-05b",
   "board": "Track pogo board",
   "location": "Date stamp",
   "legible": "`25 1?`",
   "candidate": "`25 14` (one extraction)",
   "why": "Second digit not confirmed",
   "source": "CRL IP6 p40 = CRR IP6 p37",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TKX-09b",
   "board": "Track interposer",
   "location": "`U41`",
   "legible": "A dark SOT/DFN part in the lower row; refdes and marking not legible",
   "candidate": "-",
   "why": "Illegible",
   "source": "CRL IP6 p40 = CRR IP6 p37",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TKX-10b",
   "board": "Track",
   "location": "Motor type",
   "legible": "Net `TRACK_?RA_EN` (`L` or `E`)",
   "candidate": "`LRA_EN` would mean a linear resonant actuator; coin ERM also possible",
   "why": "Motor unmarked; one glyph ambiguous",
   "source": "CRL IP6 p41; CRL IP7 p44 = CRR IP6 p38, p41",
   "verdict": "unverifiable"
  },
  {
   "id": "U-TKX-15b",
   "board": "Track",
   "location": "Track base P/N",
   "legible": "`P/N: NAYA-` + two unclear characters + `00-2` (first digit 7 or 2 on both copies, not 8)",
   "candidate": "-",
   "why": "Ambiguous glyphs",
   "source": "CRL IP6 p37 = CRR IP5 p34",
   "verdict": "unverifiable"
  },
  {
   "id": "U-BAT-11",
   "board": "Touch",
   "location": "Cell date on the in-situ thumbnail",
   "legible": "`…0250?19` (one copy), partial on the other",
   "candidate": "-",
   "why": "Does not match the sharp `20250611`; resolution too low",
   "source": "CRL IP5 p33 = CRR IP5 p30",
   "verdict": "unverifiable"
  },
  {
   "id": "U-BAT-17",
   "board": "All devices",
   "location": "Cell makers",
   "legible": "Prefixes `FH` (half, Tune, Touch) and `QS` (Track)",
   "candidate": "-",
   "why": "No manufacturer, distributor or datasheet hit for FH301217, FH202030, FH364046, FH364045 or QS801630",
   "source": "BAT-01, BAT-06, BAT-09, BAT-10, BAT-13",
   "verdict": "unverifiable"
  }
 ],
 "open_questions": [
  {
   "id": "OQ-01",
   "question": "Do retail units match the filed boards?",
   "filings_show": "Pre-production samples received by the lab on 2025-06-20; boards V13 (main), V11 (wing), V09 (dock), V10 (pogo); no firmware version printed anywhere",
   "how_to_find_out": "Photograph the silkscreen of each board on an opened retail or donor half and module",
   "needs": "Donor board; screwdriver; camera"
  },
  {
   "id": "OQ-02",
   "question": "QSPI flash part number and capacity; does generation B use a larger part?",
   "filings_show": "Only the `winbond` wordmark (HM-09); NayaCore 6.11.0 selects images by PID bit 0x1000 (U-HM-10)",
   "how_to_find_out": "Macro photo of U1 on a donor half; JEDEC ID (0x9F) read of the flash with the nRF held in reset; check a generation-B unit's PID if one exists",
   "needs": "Donor half; SOIC/USON probe or clip; logic analyzer or SPI programmer"
  },
  {
   "id": "OQ-03",
   "question": "Half power tree: charger/PMIC, DC-DC ICs, load switches (`S2U`), `U3`/`U5`, epoxy glob",
   "filings_show": "Presence only (U-HP-01b to U-HP-08); schematic and block diagram are long-term confidential",
   "how_to_find_out": "Low-angle macro photos on a donor mainboard; measure `VBUS_5V`, `SYS`, `SYS_OUT`, `5V_OUT`, `LED_PWR_5V` with a multimeter",
   "needs": "Donor board; multimeter"
  },
  {
   "id": "OQ-04",
   "question": "Half battery connector pin count and pinout; which wire is the NTC",
   "filings_show": "3-wire lead (BAT-02); receptacle pin count unresolved (U-HP-10)",
   "how_to_find_out": "Photo of the `VBAT2` receptacle and cell plug; continuity from each wire to `VBAT2`, `NTC`, ground",
   "needs": "Donor half; multimeter"
  },
  {
   "id": "OQ-05",
   "question": "nRF52840 silicon revision (build code D0)",
   "filings_show": "`CKAAD0` on both halves and the dongle (HM-04, DG-04)",
   "how_to_find_out": "Read Nordic's nRF52840 IC revision / compatibility document in a browser (automated fetch returned 403); FICR read over SWD on a donor half only where APPROTECT allows",
   "needs": "Browser; for FICR: donor half and SWD probe"
  },
  {
   "id": "OQ-06",
   "question": "Is a 32.768 kHz crystal fitted (half `Y2`, dongle `Y2`) and used?",
   "filings_show": "2-pad packages, illegible lids (U-HM-08, U-DG-07)",
   "how_to_find_out": "Lid marking on a donor board; scope on the crystal pins while running; firmware LFCLK source if a plaintext image ever becomes available",
   "needs": "Donor board; oscilloscope"
  },
  {
   "id": "OQ-07",
   "question": "LED part numbers and protocol",
   "filings_show": "Unmarked 4-pad LEDs, no driver IC (U-LED)",
   "how_to_find_out": "Macro photo of an LED; logic analyzer on an LED data line (`LED_01`, `LED_D7_1`, `PAD_LED_IN`) to tell WS2812 from SK6812 timing",
   "needs": "Donor board; logic analyzer"
  },
  {
   "id": "OQ-08",
   "question": "LED map geometry: which physical light bar is indices 74-80; how many bay indices a Tune and a Track follow",
   "filings_show": "Board counts: Tune 24 LEDs (TUX-04), Touch 1 (TCX-04), Track 1 (TKM-17). MEASURED: about 9 Tune indices lit in a band test (2026-09-08), index 88 alone lit a Tune (2026-09-10), 6 of 24 took color on a module firmware 2.1.2 Tune (2026-09-19); an early Track reading of about 15 indices was a band artifact",
   "how_to_find_out": "Paint one LED index at a time with each module docked, on module firmware 2.3.3",
   "needs": "Retail keyboard and modules; a tool that writes the LED map"
  },
  {
   "id": "OQ-09",
   "question": "Dock pin-to-signal map, voltages, UART settings; how the half enters a module bootloader",
   "filings_show": "Net names only (PD-13); no `D+`/`D-`; `BOOT1` reaches the STM32 strap and the dock block (TUM-22). No USB data reaches the dock (so forcing the STM32 USB DFU via `BOOT0` does not fit), so a USART bootloader via `RX`/`TX` + `BOOT1` fits the wiring better (INFERRED, untested)",
   "how_to_find_out": "Continuity from each spring pin to the dock-board pads on a donor half and from each module pad to its main-board nets; logic analyzer on `TX`/`RX`/`BOOT` during docking and a NayaFlow module update",
   "needs": "Donor half and donor module; multimeter; logic analyzer"
  },
  {
   "id": "OQ-10",
   "question": "Tune internal `J5`: 8 or 10 contacts; `5V` or `3V` label",
   "filings_show": "8 contacts plus two paler pads; readers disagree (U-TUM-20b)",
   "how_to_find_out": "Angled photo of the block on a donor Tune; continuity from the paler pads to `RX`/`TX`",
   "needs": "Donor Tune"
  },
  {
   "id": "OQ-11",
   "question": "Touch base: why only 4 contacts show through the slot when the pogo board has 8",
   "filings_show": "TCX-13 vs TCX-09",
   "how_to_find_out": "Look at a retail Touch underside (non-destructive)",
   "needs": "Retail Touch"
  },
  {
   "id": "OQ-12",
   "question": "Spring-pin block maker, pitch and stroke",
   "filings_show": "8 unmarked domed pins (PD-03)",
   "how_to_find_out": "Caliper on a donor pogo board; compare catalog 2 x 4 spring-pin blocks",
   "needs": "Donor half; caliper"
  },
  {
   "id": "OQ-13",
   "question": "Module bases: are their 6 metal blocks magnets or steel?",
   "filings_show": "6 blocks in each module base (TUX-19, TCX-15, TKX-14). The half side is answered: 6 magnets per bay, the 2 features beside the contacts (PD-11) and 4 blocks on the carrier plate (PD-10); the 5 bracket blocks (PD-09) are not magnets (paper-clip test, 2026-09-23)",
   "how_to_find_out": "Paper-clip test on each module base",
   "needs": "Retail modules; paper clip"
  },
  {
   "id": "OQ-14",
   "question": "Tune dial actuator identity, driver `U11`, and the `HAPTICAL` I2C device",
   "filings_show": "Wound can, drive pads, marketing name (U-TUX-13, U-TUM-07, TUM-21)",
   "how_to_find_out": "Donor Tune teardown (actuator label); logic analyzer on `HAPTICAL_SCL`/`HAPTICAL_SDA` for the device address",
   "needs": "Donor Tune; logic analyzer"
  },
  {
   "id": "OQ-15",
   "question": "Tune T-shaped sub-board, housed round component, `U9`",
   "filings_show": "Shapes only (U-TUX-15, U-TUX-16, U-TUM-08)",
   "how_to_find_out": "Donor Tune teardown with macro photos",
   "needs": "Donor Tune"
  },
  {
   "id": "OQ-16",
   "question": "Tune touch controller exact part",
   "filings_show": "`CST3` + a digit under ink (U-TUX-03)",
   "how_to_find_out": "Angled-light photo on a donor Tune, or an I2C chip-ID read",
   "needs": "Donor Tune"
  },
  {
   "id": "OQ-17",
   "question": "Track optical sensor part",
   "filings_show": "Unmarked windowed packages with `SCLK`/`SDIO`/`MOTION` pads (U-TKX-03)",
   "how_to_find_out": "Donor Track teardown; logic analyzer on `SCLK`/`SDIO` to read the sensor's product-ID register (PixArt parts keep it at register 0x00)",
   "needs": "Donor Track; logic analyzer"
  },
  {
   "id": "OQ-18",
   "question": "Track motor ERM or LRA; small QFN, leaded IC, ESD4 marking, `10?` part",
   "filings_show": "U-TKX-10b, U-TKM-08, U-TKM-09, U-TKM-12b, U-TKM-14",
   "how_to_find_out": "Donor Track macro photos; capture the motor drive waveform",
   "needs": "Donor Track; oscilloscope"
  },
  {
   "id": "OQ-19",
   "question": "Module part numbers on base labels",
   "filings_show": "Tune `NAYA-700-3`? (U-TUX-20); Track `NAYA-?00-2` (U-TKX-15b); Touch not read",
   "how_to_find_out": "Read the base labels on retail modules (non-destructive; keep serial values private)",
   "needs": "Retail modules"
  },
  {
   "id": "OQ-20",
   "question": "Touch: one or two 700 mAh cells; sensor board and cover size",
   "filings_show": "Two different cell labels (BAT-09, BAT-10); size estimates disagree (U-TCX-16b)",
   "how_to_find_out": "Caliper on a retail Touch; donor Touch teardown",
   "needs": "Retail or donor Touch; caliper"
  },
  {
   "id": "OQ-21",
   "question": "Cell makers and retail capacities",
   "filings_show": "Prefixes `FH`, `QS` only (U-BAT-17); marketing 1500/800/800 mAh vs filed 1000/700/600 mAh (BAT-16)",
   "how_to_find_out": "Labels on retail packs from a donor teardown; UN38.3 test summaries (not part of FCC filings)",
   "needs": "Donor modules"
  },
  {
   "id": "OQ-22",
   "question": "Wing slide switch part and ON/OFF direction; PG1232 hot-swap socket part",
   "filings_show": "Unmarked switch (U-WG-03b); manual drawings disagree on direction; socket drawn only (U-EN-02)",
   "how_to_find_out": "Caliper and photos on a donor half; compare Kailh and C&K catalogs",
   "needs": "Donor half; caliper"
  },
  {
   "id": "OQ-23",
   "question": "USB-C receptacle pin class",
   "filings_show": "About 13 legs visible (U-HM-13b)",
   "how_to_find_out": "Photo of the full leg row on a donor board",
   "needs": "Donor board"
  },
  {
   "id": "OQ-24",
   "question": "Dongle `ESD3` and `CG4` parts",
   "filings_show": "U-DG-11b, U-DG-12",
   "how_to_find_out": "Macro photo of an opened retail dongle",
   "needs": "Retail dongle"
  },
  {
   "id": "OQ-26",
   "question": "Issuer of the N-in-ellipse energy mark; Japanese certification body `219`",
   "filings_show": "U-LB-11b The left MIC number is `219-257017`; the dongle has no MIC number and no N-in-ellipse mark.",
   "how_to_find_out": "MIC's list of registered certification bodies; Canadian energy-verification mark lists",
   "needs": "Browser"
  },
  {
   "id": "OQ-27",
   "question": "Y-cable AWM style number; 1 m retail vs 0.8 m lab cable",
   "filings_show": "ACC-01, ACC-02",
   "how_to_find_out": "Read the jacket print and measure a retail cable",
   "needs": "Retail cable"
  }
 ]
}