Miniaturized Wideband Aperture Coupled Microstrip Patch Antenna by Using Inverted U-Slot

Table 3

Return loss, gain, and bandwidth of all the design analysed in this work.

Antenna performance	Operating frequency	Return loss	Gain	Bandwidth
Design 1	10.84 GHz	−30 dB	7 dB	790 MHz
Design 2	10.80 GHz	−28 dB	7 dB	800 MHz
Design 3	10.79 GHz	−25 dB	7.5 dB	740 MHz
Design 4	11.38 GHz	−38 dB	6.95 dB	800 MHz
Design 5	11.45 GHz	−35 dB	6.87 dB	2000 MHz
Design 6	11.45 GHz	−43 dB	6.97 dB	2170 MHz