| ROBERTS | ||
| model(s) | wire color | pin number |
| RCB-10 | Audio | 2 |
| Ground | 1 | |
| N/C | N/C | |
| Common | 1 | |
| PTT | 4 | |
| receive | N/C | |
| model(s) | wire color | pin number |
| R5CB-770 | Audio | 1 |
| RCB-470 | Ground | 4 |
| N/C | N/C | |
| Common | 6 | |
| PTT | 3 | |
| receive | 5 | |
| model(s) | wire color | pin number |
| RCB-15 | Audio | 1 |
| RCB-55 | Ground | 2 |
| N/C | N/C | |
| Common | 2 | |
| PTT | 3 | |
| receive | 5 | |