The Laird BB1443 base-loaded 5/8 wave antenna (black) operates within the frequency range, 144-174 MHz. This VHF mobile antenna delivers high performance, with a gain of 3 dB. Maximum power input is 200 watts. The 49 inch stainless steel whip antenna has a UV-treated radome to resist sun damage. The housing is constructed using an ABS material, injection-molded around a solid brass insert and complete with plated brass fittings. Order spring and/or NMO mount for your Laird mobile load coil antenna separately.