Mobile radio with 512 channels and dynamic zoning, 256 programmable zones. 136-174 MHz VHF or 450-512 MHz UHF. 12.5/15 KHz narrowband, 25/30 KHz wideband channel spacing, software controlled for each channel independently. Single zone scan, multiple zone scan and list zone scan. RF output - 50/15/5 Watts VHF; 45/15/5 Watts UHF, user selectable. 5 Watt internal speaker; 12 Watt external speaker optional. Built-in 1200/2400 bps MSK modem for data transmission.