* 40 AM and 80 SSB Channels: 40 AM, 40 Upper Side Band, 40 Lower Side Band * 4 Watts AM, 12 Watts SSB: maximum allowed by law. * SWR Calibration: Allows calibration of antenna system for maximum performance * 9 Foot Microphone Cord: For easy reach within any area of the vehicle * Front Microphone Connector: Allows convenient installation to be in dash or under dash * Tone Control: 3 position control allows fine tuning of audio levels * Adjustable Dynamike Boost: Dynamically boosts microphone for increased voice clarity * Tactile Controls: Allows you to actually feel where the dial is in it"s rotation without taking your eyes off the road * PA Capability: Use CB radio as a Public Address System with PA speaker. Receive signals can also be monitored through PA * RF Gain: Adjusts receive gain in weak and strong signal areas * Switchable Noise Blanker: For increased noise reduction * In the Box: 148 GTL Single Side Band CB Radio, Heavy-Duty Dynamic Microphone, Mounting C Bracket and Thumb Screws, Microphone Hanger Bracket and Screws, Fused Power Cord, Instruction Manual