... noise cancel Police throat microphone for Kenwood wireless radio TK-208 TK-308 TK-3118 TK-3107--Two sensors design to ... make any radio are validCompatible with :For Kenwood : TK-208,220,240,240D,248,250,260,260G, 270 TK-270G ... ,308,320,340,340D,348,350, 353, 360 TK-360G, 370, ... hours. Police throat microphone for Kenwood wireless radio TK-208 TK-308 TK-3118 TK-3107