Follows communications on apco 25, Phase 1, Phase 2, x2-tdma, Motorola, edacs & ltr trunked systems Advanced dynamic memory system Close call RF capture Technology instantly tunes to signals from nearby transmitters Gps Compatibility; 100 Quick Key System Access 25,000 dynamically allocated channels.Continuous Band Coverage - 25MHz to 1.3GHz Excluding UHF TV and Cellular.