Windporting Remote speaker microphone with audio jack. IP54, FM and UL/TIA 4950 rating

Remote speaker microphone with 3,5mm audio jack. Feature Windporting for exceptional audio. IP54, FM and UL/TIA 4950 rating. No emergency button. The Motorola Original Remote Speaker Microphone (RSM) is specially designed and flawlessly engineered to optimize the performance of your Motorola radio.