portabletwo way radios,professional radio,FM transceiver IC-F33GT/44GT Feature: 1.Frequency Range :136-174,400-470MHz 2.Output Power:5w 3.Channel:256 4.Built-In CTCSS/DCS 5.DTMF memory and optional DTMF decoder 6.Time-Out Timer(TOT) 7.Emergency call 8.Channel Scan 9.Low battery alert