FuriousFPV SMA 90 Degree Adapter - SMA Male to SMA Female

$ 3.95

Furious FPV 90-Degrees Adapter  - SMA Male to SMA Female (and vice versa)

The angle of Patch antenna operation is 90 degree following the picture below

 

 

Therefore, patch antenna must be aligned the wavelength  and be fronted to the eyes of users. Using SMA 90 degree connector to adjust patch antenna which makes the wavelength be fronted the users' eyes and at right angles to eyeglasses