ImmersionRC SpiroNet 13dbi Large Patch Antenna 5.8GHz RHCP 13dBi Right-Hand (RHCP) Circular Polarized Patch antenna, Full-Custom design for the FPV market. Ideal companion to our 5.8GHz SpiroNET Omnidirectional CP antennas, ranges of several km on a CE-legal 25mW system very possible! Made by ImmersionRC