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Serial CAT (Kenwood)

Best for: QRPLabs QMX/QDX, Kenwood, Elecraft, Yaesu (via FA/MD commands), and any radio that speaks Kenwood protocol over USB serial.

  1. Add a new rig → select Serial CAT (Kenwood)
  2. Choose your COM port
  3. Set the baud rate
  4. Check Disable DTR/RTS if your radio uses DTR for PTT
  5. Click Test Connection to verify
  6. Save

POTACAT sends only FA (frequency) and MD (mode) commands. Any radio that responds to FA; with a frequency will work.

Yaesu radios also support these commands — POTACAT auto-detects 9-digit (Yaesu) vs 11-digit (Kenwood) FA format from the radio’s response.