| Pin | Description |
| 1 | GND |
| 2 | Audio Out / POWER on/off (connect with gnd) |
| 3 | Downlink |
| 4 | 152 khz ? |
| 5 | Battery+ |
| 6 | Uplink |
| 7 | DCS |
| 8 | FM RSSI |

| Pin | Description |
| 1 | GND |
| 2 | Audio Out / POWER on/off (connect with gnd) |
| 3 | Downlink |
| 4 | 152 khz ? |
| 5 | Battery+ |
| 6 | Uplink |
| 7 | DCS |
| 8 | FM RSSI |