related sites: nightclubs, bars, paintball, security, restaurants, hotels, airports, casinos, manufacturing plants, conventions, concerts, warehouses, and noisy environments
compatible devices: 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-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, th31at, th31bt, th41at, th41bt, th-42, th-42a, th-42at, th-42e, th-45, th-46, th-47, th-48, th-55, th-75, th-77, th-g71, th-205, th-215, th-225, th-235, th-235a, th-235e, th-315, th-415 for kenwood tk tk-208/308,tk-220/320,tk-240/340,tk-240d/340d,tk-248/348, tk-250/350/353, tk-260/360,tk-260g/360g,tk-270/370, tk-270g/370g,tk-272g/372g/373g,tk-278g/378g/388gpro-talk,tk-430/431, tk-2100/3100pro-talk,tk-2102/3102,pro-power,tk-2107/3107,pro-talk,tk2207,tk3207,tk-2160/3160 for baofeng almost all: uv5r, bf-480/490/320/v6/v7/v8/658/520/530/999/888/777/666s/777s/888s for hyt tc286 386 2685 3865 6685, tc 278 378 388, tc 2100 2088 for wouxun/for puxing/for qushengan/for linton/for tytet 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.