connector or cable wiring scheme Headset connector on many Motorola FRS radios.
3 pin stereo plug
connector at the headset cable
| headset cable Name | Pin | Description |
|---|---|---|
| 1 (tip) | Speaker | |
| 2 (ring) | Microphone | |
| 3 (sleeve) | Ground |
Notes
- The connector is a custom 2.5mm with a 2mm longer ground sleeve