1×Intruction book If you need an electronic version of the user manual, please contact me. 4 frequency bands VHF\UHF receiving and transmitting (RX/TX). 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. Please feel free to contact me.Thank you for your patience. We are a professional worldwide wholesale company. High product quality, reasonable prices, excellent customer service and a reliable credit standing is our tenet. We will do our best to solve your problem as soon as possible. Thank you for your visit and welcome back.