Make
E.F. JOHNSON
Model
121A
Technical Specifications
| Attribute | Details |
|---|---|
| Manufacturer | E.F. JOHNSON |
| Model | 121A |
| Product Category | Transceiver |
Mic Wiring
Pin 3 – Shield / Ground
Pin 4 – Mic Audio
Pin 9 – RX
## Technical Specifications
| Attribute | Details |
|---|---|
| Manufacturer | E.F. JOHNSON |
| Model | 121A |
| Product Category | Transceiver |
## Mic Wiring Pin 3 – Shield / Ground Pin 4 – Mic Audio Pin 9 – RX