Main Features:Gain: 2.0dBi-2.5dBiTX: 1.1dBi・ RX: 1.4dBi VSWR: SWR Frequency: 5645-5945MHzPolarization: Left-Handed (LHCP)Greatly increases video and audio signalRuns on 5.8 GHz commonly used for FPV systemPlug type: "L" style RP-SMA Plug for both receiver and transmitterCircularly Polarized for reduced interference・ Clover-Leaf style antenna and omni-directional