W1000 Series Magnet Mount Mobile CB Antenna Kit with 62.5 .in Whip has a 3000 Watt power handling capability. Tests by Lockheed show Wilson W1000 has 58% more power gain than K40. The frequency range is 26MHz to 30MHz. This product is made with high impact Mobay thermoplastic. Exclusive patented low loss coil design (Patent #4 882 591) with 10-gauge silver plated coil winding magnet mount base and a 62-1/2 .in 17-7 -PH tapered spring stainless steel whip. This product features a removable coil for safe storage or low entrances. Weather channel ready.