... Background noise cancel Throat vibration mic for Motorola wireless radio GP320 GP328 GP338 Gp329 --Two sensors design to make the ... connector (6 pins Mini-din) design that make any radio are valid Compatible with :For Motorola : HT750,HT1250 , ... , PRO7150, PRO7350 PRO7450, PRO7550, PRO7750 PRO9150PTX700,PTX760,PTX780GP140,GP320,GP328,GP329, GP338,GP339GP340,GP360, GP380, GP600, GP640,GP650 P680, ...