Table 2: Comparison between the proposed antennas and the ones in reference.

Antenna typeOperating frequency bandGainSizeElectrical size

Proposed antenna4.2–9.2 GHz6.0–8.5 dBi56 mm × 40 mm0.78 × 0.56
Reference [11]2.7–8.7 GHz5 dBi184 mm × 100 mm1.66 × 0.9
Reference [13]3–6 GHz5.0–7.5 dBi117 mm × 76 mm1.17 × 0.76