Retevis RA86 GMRS Mobile Radio, GMRS Radio with Gain Antenna Update Chirp, Cigarette Lighter Plug, NOAA, Dual Speakers, Repeater Channels, Long Range Two Way Radio for Offroad, Truck, RV Major update: RA86 mobile transceiver now supports CHIRP GMRS mobile radio; 22 GMRS channels and 8 repeater channel; clearer communication over a longer range; RA86 long range gmrs radio is used for activities; such as camping hunting off-roading overlanding. Fully integrated control microphone; use the microphone to complete all function settings; compact and portable size can place the mobile radio base anywhere in the car; stash the radio unit away; save dashboard space. 10 weather channels; support alarm; automatically weather band channels and locks onto the strongest weather channel to alert you of s.