Band CoverageFrequency Coverage RangeVertical Antenna GainBandwidth at 2:1 SWR 2 meters144.5-147.5 MHz6.5 dBiOver 3.0 MHz 1.25 meters220-225 MHz7.8 dBiOver 5.0 MHz 70 cm440-450 MHz9.0 dBiOver 10.0 MHz Comet Tri-Band VHF/UHF Base Vertical Antennas provide great gain figures on several bands. These superior-quality base station antennas feature a heavy duty, UV-stabilized fiberglass radome for many years of reliable service. Offering good power-handling, these base station antennas are ready to handle long QSOs from your high-power VHF/UHF radios. Although light in weight, they incorporate strong, easy-to-use, extruded aluminum and stainless steel clamp-on mounting hardware. When your vertical base antennas require tri-band functionality, great gain figures, and remarkably durable construction, remember that Comet Tri-Band VHF/UHF Base Vertical Antennas provide excellent overall performance!