Motorola BDN6770 Ear Microphone List $247.00 Quantity in Basket: None Code: BDN6770 Price: $209.95 Shipping Weight: 1.00 pounds Quantity: Motorola BDN6770 Ear Microphone, Grey, for noise levels up to 105dB - requires interface module. EX500 & EX600XLS - Intrinsically Safe (FM). List $198.00