... with the following Motorola and Johnson radio: MOTOROLA GP900, GP9000, HT1000, JT1000, MT2000, MTS2000, MTX838, MTX900, MTX960, MTX1000, MTX8000, MTX9000, MTX ... GP328PLUS, GP344 multi plug to GP300 2 pins.BDN6676: motorola HT1000 multi plug to GP300 2 pins.KCT-44: KENWOOD TK480 ... EarRLN4765A: Large Custom Earpiece - Left Ear Audio adapter for Motorola HT1000, GP900, ASTRO, BDN6676