walkie talkie,interphone,FM transceiver ICOM-4088E: 1.Frequency Range:433.075-434.775MHz 2.Channel:69 LPD channels 3.Output Power:0.5w/1w 4.Free of user-license and applications 5.Voice scrambler function for communication privacy 6.38 groups CTCSS 7.Low battery alert 8.Battery save 9.Dimension:52.5(W)*102.5(H)*26.9(D) 10.Weight:200g(including battery)