Uniden PRO520XL Brand New Includes One Year Warranty The Uniden PRO520XL is a 2-way CB radio. It operates on 40 FCC-approved AM frequencies. It's S/RF meter and 4 digit LED indicators help's you to monitor activity at a glance. It offers instant access to channel 9 for emergency situations. The PRO520XL features ANL Switch and Squelch knob to produce clear, legible signal on every channel. The channel selector allows you to select the desired channel for transmission and reception. It has PA/CB Switch to quickly switch from CB radio to Public address mode. It also features front-positioned microphone with an extra-long coiled cord for convenient use. PRO520XL Features 40 Channel CB Radio Mobile / Base scanner ANL Switch LED Display Electret Condensing 4 Pin Microphone S/RF Meter RF Gain Knob Instant Channel 9 PA/CB Switch Channel Indicator Channel Selector Squelch Control 4 Watt Transmission Volume Control External Speaker Capability Public Address Feature CB Radio