Ranger New Radio TRE-2639 is a high-performance AM CB radio designed for truckers, off-roaders, and radio enthusiasts who value clarity, durability, and precise control. Its rugged metal front panel and large four-scale analog meter deliver instant visibility of signal strength, modulation, power output, and SWR—so you always know your radio's status at a glance. Featuring powerful AM transmission, TRE-2639 ensures loud, clear communication over long distances. The built-in GNF Noise Filter and ANL/NB circuits effectively reduce static, engine, and road noise for consistent, high-quality audio in any environment. With automatic SWR monitoring, mic and RF gain controls, and variable power output, you can fine-tune your performance while protecting your transmitter. Additional features include talkback, Roger Beep, PA function, and adjustable dimmer lighting—making TRE-2639 a professional-grade CB radio that's equally at home in your truck cab or on your workbench.