5.8Ghz Triple Feed Patch Antenna SMA Directional Circularly Polarized

The Triple Feed Patch antenna is a directional circularly polarized antenna.
Good radiation efficiency.
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.
Cheap and easy to manufacture with high accuracy, even for a hobbyist.

Description:
Cheap and easy to manufacture with high accuracy, even for a hobbyist.

Specifications:
Center frequency: 5.8 GHz
Bandwidth: 660 MHz (5.47 - 6.13 GHz)
Matching: S11 < -20 dB, VSWR < 1.22 (at center frequency)
Axial ratio: < 1.3
Antenna gain: 9.4 dBi
Half power beam width: 55° (horizontal and vertical)
Radiation efficiency: 83.5%
Size: 59.7 x 59.7 x 99.1mm
Color: black

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