MFJ-5124K Interface cable: MFJ Auto tuner to Ken. Compatible Tuners MFJ-991 MFJ-991B MFJ-993 MFJ-993B MFJ-994 Compatible Radios: TS-50S TS-350S TS-570SG TS-570DG TS-690S TS-850S TS-870S TS-B2000 TS-2000 TS-2000X Any Kenwood radio that works with the Kenwood AT-300 or AT-50 autotuner Portable for use anywhere