RCmall 5.8GHz Triple Feed Patch Antenna High Gain 9.4dBi Directional Circularly Polarized LHCP RHCP Antenna with 50ohm SMA Load Terminator for FPV Racing Drone Eachine EC800D
- The Triple Feed Patch antenna is a directional circularly polarized antenna..
- Most FR4-based patches have terrible efficiency because FR4 is very lossy at 5.8 GHz..
- Good axial ratio, not just directly perpendicular to the patch but also off-center..