Harvest Out 250B (3.5-57 MHZ) HF/6M base station radio antenna Band: 6m-10m-12m-15m-17m-20m-30m-40m-75m-80m TX: 3.5-57 mHz; RX: 2.0-90 mHz; Max Power rating: 200w ssb Inpedance: 50 oHm; Swr: Less than 1.5:1 Rating wind speed: 30m/s, Mast diameter: 25/42mm Weight: 4 kg, Length: 7.16m (23 ft) , Connector: UHF (PL 259)