Cobra 29 LTD Classic CB Radio for Mobile Use: * SWR calibration allows calibration of antenna system for maximum performance * Adjustable Dynamike Boost for increased voice clarity * Tactile controls on the Cobra 29 LTD Classic allow you to actually feel where the dial is in its rotation without taking your eyes of the road * Use the Cobra CB radio as a Public Address System with PA speaker * Received signals can also be monitored through PA * RF gain, adjusts receive gain in weak and strong signal areas * Switchable Noise Blanker is built into the mobile CB radio for improved noise reduction * Dimmer Control adjusts brightness of the front panel, channel display and signal strength meter * 4 Watts AM RF Power Output * Antenna Warning Indicator illuminates when antenna needs checking * Instant Channel 9: instant access to emergency channel 9 * Delta Tune is used to clarify incoming signals