High Performance VHF Fiberglass Base/Repeater Antenna - Tunable The Tram Browning 1487 is a high-performance VHF fiberglass base station and repeater antenna operating in the 134-184MHz frequency range. This tunable, single-section antenna stands 4' 10" tall and has a power rating of 200 Watts. It is designed to withstand maximum winds of 135 MPH. Key Features Wide VHF Range (134-184MHz): Tunable across the VHF band for flexible frequency operation. High Gain (4.5 dBd): Provides enhanced signal strength for extended communication range. Durable Fiberglass Construction: Single-section, 5/8 wave design with hermetically sealed radiator and coil for all-weather performance. Lightning Protection: DC ground construction allows static dissipation for low noise ratio and maximum lightning protection. Direct Termination: UHF (SO-239) connector for easy and secure connection. Includes Cutting Chart: Facilitates user-defined frequency tuning. Compatibility Designed for base station and repeater applications. Requires a mast diameter of 1 3/16" to 2 7/16" (30-62mm). Benefits Optimized Performance: Can be custom-tuned to your specific operating frequency. Extended Range: High gain ensures greater communication coverage. Durable and Weatherproof: Fiberglass construction protects against the elements for long-lasting use. Reliable Signal: DC ground design minimizes static and enhances signal clarity. Warranty 1-year manufacturer's warranty