Compact UHF Digital Transceiver with class-leading audio Icom's custom high power handling capacity speaker for 1500 mW of powerful audio Compact, waterproof durable design (IP67/55/54 and MIL-STD-810-G) Multiple operating modes Over-the-Air Alias (OAA) function displays the callers name without programming Motion/Stationary detection, Man Down and Lone Worker functions Operating time of up to 18 hours with the BP-280