| Pin | Name | Description |
| 1 | | Crystal oscillator (10.245MHz) |
| 2 | | Crystal oscillator (10.245MHz) |
| 3 | | Mixer output to Filter (455kHz) |
| 4 | Vcc | Positive Supply Voltage |
| 5 | | Limiter input |
| 6 | | Decoupling |
| 7 | | Limiter output |
| 8 | | Quadrature Coil input |
| 9 | | Demodulator output |
| 10 | | IF Filter input |
| 11 | | IF Filter output |
| 12 | | Squelch input |
| 13 | | Scan Control |
| 14 | | Audio Mute |
| 15 | GND | Ground |
| 16 | | RF / MF input (10.7MHz) |