Tram provides premium antenna components that provide functionality and durability of the antenna to deliver quality communication connections you depend on. Each antenna model is carefully planned and developed to ensure great transmission over many uses. The Scanner 25MHz-1, 300MHz VHF/UHF Super Discone Base Antenna will offer premium service for years to come.. Wideband reception covering 25MHz-1, 300MHz. Transmit bands 144MHz/220MHz/440MHz/900MHz/1, 290MHz. Rust-free stainless steel structure. 200W max power. SWR