Compatible with Retevis RT29, RT47, RT47V, RT48, RT82, RT83, RT87, NR30 and Ailunce HD1, also fits for Motorola GP328Plus GP344, EX500, EX600, EX600XLS GL2000 GP344, GP388 GP644 GP688 PRO5150 Elite PRO7150 Elite and for hytera HYT TC-780, ect two way radio.