Speaker Microphone, Product Type Speaker Microphone, Compatible Radio Type Handheld, Compatible Radio Brand Motorola, Compatible Radio Series CP180, CP185, CP200d, CP261, DEP250, DEP450, DP1400, DP4601E, DP540, EP350MX, GP3388, GP3688, P100, R2, RVA50, XiR, Compatible Radio Manufacturer Model Number CP100d, CP185, CP200, CP200.XLS, CPO200d, R2, Compatible Radio Grainger Model Number 45CA55, 45CA56, 45CA58, 45CA67, 45CA71, 45CA72, 61CU06, 61CU07, 61CU08, 61CU09, 787D03, 787D04, 794L39, 794L40