Comet GP-9 Dual-Band VHF/UHF Base Vertical Antennas provide very high gain on the 2-meter and 70-centimeter bands. These superior-quality base station antennas feature a three-piece, heavy duty, UV-stabilized fiberglass radome for many years of reliable service. With the highest power rating in their class, 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. While the standard GP-9 features an SO-239 style connector base, the GP-9N version is available with an N-Type female connector for maximum signal transfer!