You won't have to unplug the microphone and plug in your TNC every time you want to work packet or other data modes, plug this pre-wired cable switch box into your radio's microphone connector and TNC... you're ready-to-go.  No more hunting for hard-to-find connectors and wiring up complicated cables.

The unit works with HF, VHF, and UHF radios with 8 pin microphone connectors -- including Kenwood, Icom, Yaesu, Alinco and others. For radios with 8 pin RJ-45 modular telephone jack, please contact us for the new M models.

Plug in jumpers let you quickly set-up for virtually any radio. Please specify your radio type when ordering.  Includes easy-to-follow instructions. Has audio-in and speaker jacks.