ONLY Compatible with Motorola Talkabout/Spirit 2.5mm 1-PIN Consumer Two-Way Radios: 【T Series】: T100, T200, T260, T265, T280, T289, T400, T460, T465, T480, T550, T600 H2O, T605 H2O, T4300, T4500, T4700R, T4800, T4900, T5000, T5100, T5200, T5300, T5400, T5500, T5600, T5700, T5800, T5900, T6000, T6100, T6200, T6210, T6220, T6222, T6250, T6300, T6310, T6320, T6400, T6500, T6530, T6550, T6600, T6700, T6800, T6900, T7100, T7200, T7300, T7400, T7500, T7600, T7700, T7800, T8500, T8550, T9500, T9680R 【EM Series】: EM1000, EM1000R, EM1010TPR, EM1020R 【FR Series】: FR50, FRS50, FRS60 【FV Series】: FV200, FV300, FV300AA, FV500, FV600, FV700, FV800 【SX Series】: SX500, SX600, SX700, SX700R, SX750, SX800, SX900, SX920 【MX Series】：MB140R, MC220R, MC225R, MH230R, MD200R, MH230R, MH230TPR, MJ270R, MR350R, MR355R, MS350R, MS355R, MT350R, MT352TPR, MU350R, RT210 Compatible with Other brand Series Model Reference: 【For Cobra】: CXT85, PR245, PR560, PR240, PR3100, PR3175, PR350, PR3000, PR4000, PR4250, PR4750, MRHH100, MRHH200, T5620, T5710, T5720, T5920, T5950, T6320, Spirit GT Plus 【For HYT(Hytera)】: TC-310, TC-320, TC-1688 【For ORICOM】: PMR780, PMR1200, PMR1280, PMR2180 【For Garmin Rhino】: 110, 120, 130, 530 Precautions: Please be sure to refer to the correct model selection when purchasing. If you are not sure whether it is compatible or not, please feel free to consult us. Thanks!