New design FPV 5.8G hign gain mushroom all-around antenna especially for helicopter SJ-ANT02 Frequency rang: 2400-2483MHz; 5400-5945MHz Impedance: 50ohm, VSWR: ≤1.5 Gain: 4-4.5dBi Horizontal/Vertical Beamwidth: 20±5° Directional Diagram: all-around( Omnibearing) Connector:RP-SMA plug/SMA plug Weight : 5g(one piece)