J2533A SF20 Dual Band VHF/UHF 2.15dBi High Gain BNC 144MHz/430MHz Soft Antenna for Radio YAESU ICOM Kenwood TYT Walkie Talkie Model: SF20. Gain: 2.15dBi. Style: Soft antenna. Impedance: 50ohm. Max Power: 10Watts. Connector Type: BNC. Band: Dual Band VHF/UHF. Frequency: 144MHz/430MHz. V.S.W.R: Less than 1.5. Antenna Length: 6.6cm.