W Mall&reg; 5.8GHz CloverLeaf Circular Polarized Antenna Set Fr 5.8G FPV RX TX aerial RP-SMA WM-1530 5.8GHz 5.8G Circular Polarized Antenna TX, RP-SMA Greatly improve wireless range Greatly improve the range and covering of your wireless video transmitting and receiving system. Antenna connector: RP-SMA Plug (the connector on the antenna side is referred to, please disregard the label on the antenna if there is discrepancy) Standing wave ratio(SWR): &lt;1.5, Gain: 5dBi, Length: 8cm, Package Weight: 70g