Research Article

Design of Symmetrical Beam Triple-Aperture Waveguide Antenna for Primary Feed of Reflector

Table 6

Measured beamwidths at −3 dB and at −10 dB of the proposed antenna with the parasitic coupling apertures in the - and -planes at the lower, center, and upper frequencies of WLAN.

Frequency (GHz)HPBW (−3 dB beamwidth)−10 dB beamwidth
-plane-plane-plane-plane

2.41265°65°135°135°
2.45065°65°135°135°
2.48465°65°135°135°