| HY-GAIN | ||
| model(s) | wire color | pin number |
| 603(23plus) | Audio | 1 |
| Ground | 4 | |
| hi-z(use an amplified mic only) | N/C | N/C |
| Common | 3 | |
| PTT | 2 | |
| receive | N/C | |
| model(s) | wire color | pin number |
| 672 (hyrangeIII) | Audio | 1 |
| 673 (hyrangeIV) | Ground | 2 |
| 674 (hyrangeV) | N/C | n/c |
| Common | 2 | |
| PTT | 3 | |
| receive | n/c | |
| model(s) | wire color | pin number |
| 670 (hy-range I) | Audio | 1 |
| 671 (hy-range II) | Ground | 4 |
| 671a | N/C | n/c |
| Common | 3 | |
| PTT | 2 | |
| receive | 5 | |
| model(s) | wire color | pin number |
| 2680 | Audio | 1 |
| 2681 | Ground | 3 |
| 2682 | N/C | n/c |
| 670b | Common | 3 |
| 671b | PTT | 2 |
| 672b | receive | 5 |
| 673b | ||
| 674b | ||
| 681 hi-z(use an amplified mic only) | ||
| 682 | ||
| 683 | ||
| 2683 | ||
| 2701 | ||
| 2702 | ||
| 2703 | ||
| 2705 | ||
| 3077 | ||
| 3078 | ||
| 3084 | ||
| 3087 | ||
| 3107 | ||
| 3114 | ||
| model(s) | wire color | connection |
| 623 | Audio | ring |
| utopia | Ground | sleeve |
| N/C | n/c | |
| Common | sleeve | |
| PTT | tip | |
| receive | n/c | |
| model(s) | wire color | connection |
| 2679 | n/c | n/c |
| hy-gain9 | n/c | n/c |
| 2679a | n/c | n/c |