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Microphone interface for ICOM
Headphone, microphone and foot PTT
Here is a simple interface for use ICOM equipment with hands free. Ideal for contests, with a simple foot switch and headphones with a microphone, you will can transmit and you will be able to use a log without having to lay your microphone every time.
| ICOM RJ 45 Pinout |
| 1. +8 V dc output |
| 2. Frequency UP/DOWN |
| 3. AUDIO output |
| 4. PTT |
| 5. Microphone GND |
| 6. Microphone input |
| 7. GND |
| 8. Squelch switch |
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