Motorola AARMN4025, Standard Compact Microphone for CDM Series Mobiles Quantity in Basket: None Code: AARMN4025 Price: $40.15 Shipping Weight: 2.00 pounds Quantity: Motorola AARMN4025 Standard Compact Microphone (Same as Supplied with Original Radio) for CDM750, CDM1250, CDM1250LS+, CDM1550, and CDM1550LS+. Supports Remote Monitor.