Uniden's Professional Series PRO520XL Heavy-Duty CB radio offers a full 4 watts transmit power, with RF gain control and 40-Channel operation in a compact, rugged-construction CB radio. A Signal/RF power indicator lets you check the relative strength of incoming transmissions. The 5W internal speaker provides good sound quality. The PRO520XL has a front mount 4-pin electret microphone with extra-long coiled cord, S/RF LED meter, instant emergency channel 9, transmit indicator lights, Automatic Noise Limiter switch, Public Address switch, Volume control, Squelch control, and more.

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