1. Walkie talkie adaptor 2. For motorola GP328 3. GP338,PRO5150,PRO7150 4. With single jack Walkie talkie adaptorAdaptor For MOTOROLA GP328,GP338,PRO5150,PRO7150,HT750,HT1250,HT1550,GP320,GP340,GP360,GP380,XTS750, MTX900,MTX960,PR860,PTX700,PTX760,PTX781 etc .Allowing operation of an remote earphone with standard 3.5mm plug Used for motorola visar with screw

Two way radio interphone adaptor for GP328