Model Number: TDX-A7 Waterproof Portable Rad Key Specifications/Special Features: Best price for waterproof portable radio tdx-a7 frequency:136-174 or 400-480mhz. Channels:16. Battery:1800mah. Weight:190g. 1800mah polymer li-ion battery best price for waterproof portable radio tdx-a7. This transceiver is innovative in design, powerful, and stable in performance, and easy to operate. We are confident that the quality and functionality of this transceiver will satisfy you and meet all your communication needs. > specification. 1800mah polymer li-ion battery best price for waterproof portable radio tdx-a7. Frequency:136-174 or 400-480mhz. Channels:16. High capacity battery (1800mah). > product function. Voice prompt. Ctcss/dcs. Time out timer (tot). Monitor. Busy channel lockout (bcl). High/low power adaptable. Priority channel scan. Restore to scan channel. Low power alert. Alarm function with side key. Fm radio. Compander function. Vox transmission. End tone elimination. Wire clone. Computer programmable. > product parameter. Technical parameter. Model/ general. Tdx-a7. Frequency range. Vhf. Uhf. 136-174mhz/245-246mhz. 400-480mhz/350-390mhz. 465-520mhz. Channel capacity. 16. Channel spacing. 25khz. Antenna impedance. 50. Microphone impedance. 600. Operating voltage. 7.4v dc. Frequency stability. 卤2.5ppm. Size(without antenna). 112mm(l)脳61mm(w)脳33mm(d). Weight(with battery). 190g. Battery. 1800mah(polymer li-ion). Ps: frequency range can be changed according to your special market needs. Transmitter. Rf power output. 5w. Modulation type. Fm. Modulation Main Export Markets: North America