Research Article

Design and Characterization of a Compact Four-Element Microstrip Array Antenna for WiFi-5/6 Routers

Figure 5

Gain and directivity estimation of the designed antenna.
(a) Gain (3D) at 5.382 GHz
(b) Directivity (3D) at 5.382 GHz
(c) Gain (3D) at 6.864 GHz
(d) Directivity (3D) at 6.864 GHz
(e) Gain and directivity vs. frequency curve