27Mhz 13inch Portable Antenna; Connector: BNC; Maximum Power Input-watts:20W (Handheld Portable CB radio less than 20W); 27Mhz Antenna working for Hand Held CB radios Cobra, Midland, Macon, and Radio Shack with a BNC Connector. Working for model number: for Cobra HH50WXST HH50 MRHH350FLT C75WXST; for Midland 75-822 75-785 MHS75; for Uniden BC75XLT PRO401HH BC125AT. HYS 27Mhz Antenna suitable for indoor and outdoor use, outdoor Adventure Club, camping and self-driving travel. Light weight, flexibility and easy installation work, antenna doesn't take up space, allowing you carry in an outside pocket of backpack.