CB Base Antenna: the 20.3-foot-long CB base station antenna can greatly improve the signal reception and transmission capability of your device High Quality: the antenna body is made of high quality aluminum alloy, durable and corrosion resistant Wind Velocity: when properly installed, the antenna can withstand wind speeds up to 60KM/H Other Specification: Frequency Range: 26-28（MHz）
Bandwidth:2MHz
VSWR: <1.5 (At 27Mhz)
Gain:3.5(dBi)
Maximum Power: 100(W)
Polarization: Vertical
Lighting Protection:Direct Ground Compatibility: Work for Yaesu Midland Cobra and other CB mobile transceiver CB antenna