Button activated PTT (push to talk) unit with a strong back clip which provides a secure attachment Made of high quality ABS, compact size and convenient to carry The metal clip on the back for carrying on vest/strap Easy installation and easy to manipulate Compatible Radio Models: For Kenwood KPG: KPG27D, KPG29D, KPG48D, KPG49, KPG55D, KPG56D, KPG62D, KPG66D, KPG69D, KPG70D, KPG74D, KPG75D, KPG77D, KPG82D, KPG87D For Kenwood TH: TH-D7, TH-D7A, TH-D7AG, TH-D7E, TH-F6, TH-F6A, TH-F7, TH-F7E, TH-G71, TH-G71A, TH-G71E, TH-K2, TH-K2A, TH-K2AT, TH-K2E, TH-K2ET, TH-21, TH-21AT, TH-21BT, TH-22, TH-22A, TH-22AT, TH-22E, TH-25, TH-26, TH-27, TH-28, TH-31AT, TH-31BT, TH-41AT, TH-41BT, TH-42, TH-42A, TH-42AT, TH-42E, TH-45, TH-46, TH-47, TH-48, TH-55, TH-75, TH-77, TH-77A, TH-77E, TH-78, TH-78A, TH78-E, TH-79, TH-79A, TH-79E, TH-G71, TH-205, TH-205A, TH-205AT, TH-205E, TH-215, TH-215A, TH-225, TH-225A, TH-235, TH-235A, TH235E, TH-315, TH-315A, TH-415, TH-415A, TH-415E For Kenwood TK: Pro-Talk, Pro-Power Free-Talk, Protalk XLS TK-208, TK-220, TK-240, TK-240D, TK-248, TK-250, TK-260, TK-260G, TK-270, TK-270G, TK-272G, TK-272, TK-278G, TK-308, TK-320, TK-340, TK-340D, TK-348, TK-350, TK-353, TK-360G, TK-360, TK-370, TK-370G, TK-372G, TK-372, TK-373G, TK-373, TK-378G, TK388G, Pro-Talk TK-430, TK-431, TK-2100, TK-2102, TK-2102L, TK-2107, TK-2118, TK-2160, TK-2170, TK-2170K, TK-2200, TK-2200L, , TK-2200LP, TK-2202, TK-2202K, TK2212, TK-2212K, TK3100, TK-3101, TK-3102, TK-3107, TK-3130, TK3131, TK3160, TK3170, TK3170K, TK3173, TK-3200, TK-3200L, TK-3200LP, TK-3202, TK-3202K, TK-3202L, TK-3230, TK-3230XLS For BAOFENG: Almost All: UV5R Plus, UV5R, UV-5RA, UV-5RA+, UV-5RB, UV-5RE, UV-5RE+, UV-5RC, UV5RO, UV-B5, UV-B6, BF-K5, UV-82, UV-A52, UV-8, UV8D, UV-6, UV-3R+Plus, BF-480, BF-490, BF-320, BF-V6, BF-V7, BF-V8, BF-658, BF-520, BF-530, BF-999, BF-888, BF-777, BF-666S, BF-777S, BF-888S, BF-388A, GT-3, GT-5, BF-F8+, BF-V85, BF-A5 For HYT: TC286, TC386, TC2685, TC3865, TC6685, TC278, TC378, TC388, TC2100, TC2088 For WOUXUN: KG-UVD1P, KG-UV6D, KG-669, KG-669 Plus For PUXING: PX-777, PX-666, PX-3288, PX-888K For QUSHENGAN: TG-UV2 For TYT: TH-UVF1, TH-UV3R, TH-UVF9, TH-F8 For Zastone handheld radios: ZT-V68, ZT-V8, ZT-Q5, ZT-V9, ZT-8DR, ZT-V180 For Linton handheld Radio: LT-2288, LT-3288, LT-6288, LT-5288, LT-3188, LT-2188, LT-3260, LT-2268, LT-3268, LT-6188 For WEIERWEI For VEV-3288S For other etc Almost All with a two pin plug, former pin diameter of 3.5 mm and 2.5 mm in diameter after pin, double pin from 8 mm within, 11 mm center distance of 2 pin