27Mhz Telescopic/Rod Portable Antenna; Connector: BNC; Gain:1.8dbi; Maximum Power Input-:20W (Handheld Portable CB radio less than 20W); Length : 23cm(9inch)-130cm(51inch), different antenna length, the antenna effect is different. 27Mhz Antenna working for Hand CB radios Cobra, , Macon, and Radio Shack with a BNC Connector. Working for model number: for Cobra HH50WXST HH50 MRHH350FLT C75WXST; for 75-822 75-785 MHS75; for BC75XLT PRO401HH BC125AT. Colour:Silver Material:Metal Package Contents: 2 x cb radio antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.