CW FSK PTT AUDIO interface for any transceiver

CW FSK PTT AUDIO interface for any transceiver

RTS - for PTT

DTR - for CW

DSR - for software Foot Switch

Interface characteristics: built-in excellent isolation circuit; connecting PC only needs one miniUSB cable, connecting radio only needs one composite cable.

The board size - 90*50 mm

Interactive BOM

http://ra0sms-shop.ru/echo_pcb_route.html

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