FSK93U1/2 Half or full duplex operation, active DCD WB5IPM/W5RKN/W0SL
FSK93U1/2B Weak signal optimized FSK93U1/2 WB5IPM/W5RKN/W0SL
FSK93K1/2 ISI comp. for KO-23/25, active DCD WB5IPM/W5RKN/W0SL
TPRS931/2 TPRS with NRZI in/out, active DCD WB5IPM
1200 bps Modems
PKT931/2 Standard AFSK, active DCD WB5IPM
PSK93R1/2J Satellite PSK, active DCD, SmartTune WB5IPM
PSK93R1/2Y Sat. PSK, active DCD, SmartTune, YAESU WB5IPM