Radio interface RI-4 V2.1

Interface board RI-4 V2.1

 

 

Suitable for:

  • Echolink
  • Freeradionetwork
  • Digital Master
  • Fldigi
  • WSJT-X
  • and other software for digital modes

CAT:

  • Isolated RX/TX, tested with WSJT-X, N1MM and HRD
  • up to 38400 baud

CW/FSK Trigger from PC:

  • USB to serial adapter (DTR)

CW/FSK Trigger to RADIO:

  • Isolated, optocoupler

PTT Trigger from PC:

  • USB to serial adapter (RTS)

PTT Trigger to RADIO:

  • Isolated, optocoupler

Modulation level regulation (from PC to RIG):

  • CW -minimum
  • CCW -maximum

Modulation level regulation (from RIG to PC):

  • CW -minimum
  • CCW -maximum

Board dimensions:

  • W92mm L88mm H25mm (max with standoffs)

*CONNECTION TO PC: 

  • USB for PTT, CW/FSK, CAT.
  • Sound card direct to terminals.

NEWS: dual layer PCB, included TTL inverter at radio side, improved RX/TX and CW(FSK)/PTT signalization, CAT speed up to 38400baud, new SMD transformers – frequency range 50Hz-500kHz, DuinoVox compatible.

Connection diagrams:

  • V2.1 – Connection diagram/jumpers configuration