Uniden Bearcat PC78 Elite 40-Channel CB Radio Two-way CB radio operates on 40 FCC-approved AM frequencies, with instant access to emergency channel 9 Dynamic squelch control reduces noise; 'Delta Tune' fine-tuning improves signal/reduces bleed from adjacent channels Multi-function analog meter measures signal strength, RF output power, antenna SWR 7 channels of weather radio with weather alert system to notify you of severe conditions Enhanced night vision display with dimmer control; backlit control knobs; ergonomic pistol-grip microphone