| ALARON (B&B IMPORT) | ||
| model(s) | function | pin number |
| B-4500 | mic audio | 2 |
| B-4900 | Ground | 1 |
| Transmit | 3 | |
| Receive | 4 | |
| model(s) | function | pin number |
| B-4075 | mic audio | 1 |
| B-4085 | Ground | 4 |
| B-4800 | Transmit | 2 |
| B-4950, B-5050A | Receive | 5 |
| model(s) | function | pin number |
| B-1025 | mic audio | 1 |
| Ground | 4 | |
| Transmit | 2 | |
| Receive | n/c | |
| model(s) | function | pin number |
| B-1050 | mic audio | 3 |
| B-4050 | Ground | 4 |
| Transmit | 2 | |
| Receive | 1 | |
| model(s) | function | pin number |
| B-1150 | mic audio | 1 |
| Ground | 2 | |
| Transmit | 3 | |
| Receive | n/c | |
| model(s) | function | pin number |
| B-1100 | mic audio | 1 |
| Ground | 2 | |
| Transmit | 3 | |
| Receive | n/c | |