VHF frequency band (receiving/transmitting): 136-174MHZ. UHF frequency band (receiving/transmitting): 400-480MHZ. Aviation frequency band (receiving): 109-136MHZ.
Low 1W, Middle 5W, High 10-15W. Compatible with capacitance mic and dynamic mic, support real original military headset. Double DTMF encoding and decode. Dule mode volume adjustment (rotary knob and button).Automatic compatible with 12.6V and 8.4V battery. Compatible with the KDU keypad, KDU not included.