The HYSHIKRA CB Antenna can increase the radio signal reception capacity. In addition, due to the high gain, the antenna can also enhance your radios signal transmitting ability, can greatly improve the signal transmission distance Frequency: 27Mhz/Max Power: 20Watt/Length: 9 to 51inch/Connector: BNC/V.S.W.R: LESS1.5/Polarization:Vertical The antenna use telescopic design, it can be easy to carry, suitable for hiking hunting or outdoor camping Compatibility For: Cobra HH38WXST HH50WXST HH50 MRHH350FLT C75WXST Midland 75-822 75-785 MHS75 Uniden BC75XLT PRO401HH BC125AT What you get: 1PCS ROD130 Telescopic CB Antenna. If you any technical or unsatisfactory problems, plz contact us by clicking RADIO MAX that below the "Buy Now", and find the button "ask a question"