| Pin | Description |
|---|---|
| 1 | Power (+ 9V) |
| 2 | Battery charge |
| 3 | Handsfree sos |
| 4 | Handsfree extern (10K resistor to +9 to enable handsfree functions) |
| 5 | TXE |
| 6 | RXE |
| 7 | Ignition (10K resistor to +9 to illuminate the display continiously) |
| 8 | Antenna extern (10K resistor to ground to enable external microphone and antenna) |
| 9 | Audio 1 |
| 10 | Audio 2 (loudspeaker amplifier output) |
| 11 | Microphone (use electrect microfoon and 46 db preamp.) |
| 12 | Audio ground (do not connect to 13 and 14 ) |
| 13 | Ground (supply) |
| 14 | Ground (supply) |
correct
incorrect