Radio interface RI-1

Interface board RI-1 V1.0

  • Only for handheld radios with Kenwood plug

Suitable for:

  • Echolink
  • Freeradionetwork

 

PTT Trigger from PC:

  • RS232 port (RTS or DTR) or Pilot tone (loud/strong signal), in certain software as Freeradionetwork on same connection point.

 

PTT Trigger to RADIO:

  • Isolated, optocoupler

 

Schematic diagram: