The FPV AET Feed Patch antenna is a directional circularly polarized antenna. Connector type is SMA female.

Note: This antenna is not include terminator!

Features:
1.Good radiation efficiency. Most FR4-based patches have terrible efficiency because FR4 is very lossy at 5.8 GHz.
2.Good axial ratio, not just directly perpendicular to the patch but also off-center.
3.Cheap and easy to manufacture with high accuracy, even for a hobbyist. 

Package included:

1 x AET Feed 17dBi Patch Antenna