Titan Radio TRSK FBI Headset Earpiece PTT Mic 2 Wire Surveillance for TR200 and Motorola FRS/GMS/GMRS "talkabout" radios: T270 T280 T289 T5100 T5200 T5300 T5320 T5400 T5410 T5420 COBRA series radios: FRS 5512 5522 T5800 5820 6200 6210 6220 6250 6300 6320 6400 T7200 series FR50 FR60 Titan Radio TR200 Motorola Talkabout T270 T280 T289 T5100 T5200 T5300 T5320 T5400 T5410 T5420 Cobra 5512 5522 T5800 5820 6200 6210 6220 6250 6300 6320 6400 T7200 FR50 FR60