Unidirectional Dual-Band CPW-Fed Antenna Loaded with an AMC Reflector

Table 3

Comparison of F/B ratios for antenna 1 and antenna 3.

2.45 GHz region (GHz)	2.35	2.4	2.45	2.5
Antenna 1 (dB)	2.00	2.00	2.03	2.05
Antenna 3 (dB)	18.32	18.98	19.61	20.44
5.8 GHz region	5.65	5.7	5.75	5.8	5.85
Antenna 1 (dB)	2.57	2.20	2.03	2.16	2.22
Antenna 3 (dB)	22.97	23.55	23.79	22.59	22.48