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 50-Watt Pretuned Dual-Band 144 MHz to 148MHz VHF/435 MHz to 450 MHz UHF Amateur Radio Antenna Kit with Magnet Mount and Cable has a 29 in. antenna. It also features a black finish, 2.5 dBd gain and a 17 ft. RG58/U cable with UHF male PL259 connector.