Diamond Original CP22E High-Gain Monoband Antenna Heavy-duty aluminum antenna sections Encapsulated matching network for weather protection Stainless steel mounting hardware and radials Factory tuned, no adjustments required Frequency:144-148 MHz. Gain:6.5dB. Power:200 watts. Connector:UHF. Length:8.9'. Wind Rating: 70 mph. Element Phasing: 2-5/8l