Interface board RI-4 V2.0
and other software for digital modes
Isolated RX/TX, tested with WSJT-X, N1MM and HRD
up to 19200 baud (experimental feature on this module, just RX/TX lines without handshaking, work only with TTL inverter and 5Vdc source)
CW/FSK Trigger from PC:
USB to serial adapter (DTR)
CW/FSK Trigger to RADIO:
PTT Trigger from PC:
USB to serial adapter (RTS)
PTT Trigger to RADIO:
Modulation level regulation (from PC to RIG):
Modulation level regulation (from RIG to PC):
*CONNECTION TO PC:
USB for PTT, CW/FSK, CAT.
Sound card direct to terminals.
W92mm L88mm H25mm (max with standoffs)