27Mhz 9.45inch Rubber Antenna; Connector: BNC; Maximum Power Input-watts:10W (Ham CB radio less than 10W); Gain:1.5dBi; HYS CB Radio rubber duck BNC antenna for use with Portable Handheld CB Band Radios. 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 for Uniden BC75XLT PRO401HH BC125AT.