[Frequency range: 26-29MHz] The central frequency point is 27.5mhz, The antenna has the best performance in 27.5mhz under normal circumstances. [9.45inch cb Rubber duck Antenna] Rubber material, free to bend, not easily deformation for use with Portable Handheld cb Band Radios. Connector: BNC (If you need TNC antenna,please check B0BFQ9XLBM); Maximum Power Input-watts:10W (Ham cb radio less than 10W); Gain:1.5dBi; Impedance: 50ohm 27Mhz Antenna working for Cobra, Midland, Uniden Hand Held cb radios . [Compatible with]Cobra HH50WXST HH50 C75WXST HHRT50; for Midland 75-822 75-785 MHS75; for Uniden BC75XLT PRO401HH PRO501TK BC125AT PRO501HH. Frequency: 26-29MHz (Centre: 27.5Mhz)

VSWR: ＜1.5

Gain: 1.5dbi

Polarization: Vertical

Radiation: Omni

Maximum Power Input-watts: 10W

Height: 245±2 mm

Termination: BNC-male

Compatible with Cobra Handheld CB radio HH50WXST HH50 C75WXST HHRT50

Compatible with Midland Portable CB radio 75-822 75-785 MHS75

Compatible with Uniden Portable Handheld CB radio BC75XLT PRO401HH BC125AT PRO501TK PRO501HH

Packing includes: 1*27Mhz BNC CB Radio Antenna(If you need TNC antenna,please check B0BFQ9XLBM)