PMMN4021 Remote Speaker Microphone for Motorola Radios GP328 GP338

Remote Speaker Microphone with 3.5 mm Audio Jack. In addition to having windporting technology, the RSM also includes a 3.5 mm audio jack to accept secondary receiver audio accessories for discrete communication

This Remote Speaker Microphone Compatible for Motorola Radios GP328,GP338,GP340, GP338, GP360,MTX960, HT1250, HT750, PRO5150, PRO7150, PRO7650, MTX850, PR860, MTX8250, MTX9250,PTX760