The PCTEL MHB5800132S base-loaded 5/8 wave antenna with spring operates within the VHF frequency range, 132 – 174 MHz. This VHF mobile antenna delivers high performance, with a gain of 3 dB. Maximum power input is 200 W. brbrThis 58 in whip antenna utilizes a chrome coil design with the enhancements of a heavy-duty tapered rod for maximum durability in tough environments. brbrOrder NMO mount separately.