... one pin radio Boom mic headset for Motorola Talkabout T4900,T5000,T5100,T5146,T5200 -- Light weight headset with boom mic-- Double ... ,SX700,FV200,FV500.etc Talkabout:T270,T280,T289,T4800,T4900,T5000,T5100,T5146,T5200,T5300,T5320,T5400,T5410,T5412,T5420,T5422 ...