The MFJ-5124 Radio Interface main unit contains all the electronics that allows users of FC-30 compatible Yaesu Transceivers, and certain Yaesu Transceivers with supported CAT system to connect to the MFJ-991,  MFJ-993 and MFJ-994 IntelliTuner@ Automatic Antenna Tuners. With this interface, DC power to the radio interface and the supplied tuner is supplied by the radio, except FT-847 CAT.  Using the appropriate cable and selecting the interface protocol via internal jumpers allow one-button automatic tuning operation with various Yaesu transceivers.

YAESU. Supports FT-100D, FT-450, FT-857D, FT-897, FT- 950, FT-DX-3000 and other compatibles