Compatible with Motorola GP1200, GP900, GP9000, HT1000, JT1000, MT1000, MT1500, MT2000, MTS2000, MTX1000, MTX8000, MTX838, MTX900, MTX9000, MTX960, MTX-LS, PR1500, XTS1500, XTS1500, XTS2000, XTS2250, XTS2500, XTS3000, XTS3000Astro, XTS3500, XTS4250, XTS5000, XTX2500, MTX8000, MTX838, MTX900, MTX9000, MTX960, MTX-LS, PR1500, XTS1500, XTS1500, XTS2000, XTS2250, XTS2500, XTS3000, XTS3000Astro, XTS3500, XTS4250, XTS5000 / EFJohnson 511X, EFJohnson 512X, EFJohnson 514X, EFJohnson 515ES, EFJohnson 515L, EFJohnson 518X, EFJohnson 51SL, EFJohnson 51SLES, EFJohnson 7700, EFJohnson AN/PRC-127EF, EFJohnson Ascend 5100, EFJohnson Ascend ES, Viking Fire, Viking CK8500 Series, Avenger 8100 Series, 51 Fire ES, 5100 ES Series, 51SL ES Series, 51LT ES, Multi-Net Ascent ES Series / Kenwood Viking VP300, VP400, VP600, and VP900