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| Handset | Decomposition |
| Bill of materials (BOM) for a handset | Level | Parts Code | Parts name | Specifications |
| 1 | 1 | Handset upper | Material: ABS, color: cool white, dimensions: 164 × 44 × 25 mm, safety standard: V0 |
| 1 | 2 | Handset lower | Material: ABS, color: cool gray, dimensions: 164 × 44 × 8 mm, safety standard: V0 |
| 1 | 3 | Weight balance | Material: SECC-1, Weight: 2.0 Kg |
| 1 | 4 | Audio receiver | Electronic characteristics: 16030 OHM, 97.52 DB, dimensions: 34.8 × 17.8 mm |
| 1 | 5 | Ring | Material: ID17, OD35, T2, color: black, sponge |
| 1 | 6 | PBA SUB-etc. | PBA SUB-etc. |
| 2 | 6-1 | Diode-Zener (ZD1) | Part name: 1N4736A, electronic characteristics: 6.46–7.14 (5%), 1000 mW, DO-41, TP | 6-2 | Capacitor film (C1) | Lead type, electronic characteristics: PEF, 4.7 nF, 5%, 100 V, TP, 5.8 × 3.1 × 12.5 mm | 6-3 | MIC condenser | Electronic characteristics: 1.5 V, 0.5 mA, −44 DB, 1 kohm | 6-4 | PCB handset MIC | Material: FR1, 1, 1.6, dimensions: 16.1 × 25.6 × 0.24 mm | 6-5 | Handset modular jack | Material: PVC, electronic characteristics: gold plating 15 N-In, PVC AWG 26, safety standard: UL1061, housing ABS UL94V0 |
| 1 | 7 | Rubber MIC | Material: natural, silicon rubber |
| 1 | 8 | Dummy handset | Material: PC, color: cool grey, dimensions: 6 × 11 × 0.25 mm, safety standard: V0 |
| 1 | 9 | Cable form harness-handset curl cord (CFH) | Dimensions: 300 ± 20 cm, electronic characteristic: 1061 AWG26, 170 |
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