Single-Layer, Dual-Port, Dual-Band, and Orthogonal-Circularly Polarized Microstrip Antenna Array with Low Frequency Ratio

Table 3

Optimized values of parameters and ARs.

Port	(dB)	(dB)	(dB)	AR (dB)
[email protected] GHz	−18.8	−23.6	−9.0	1.67
[email protected] GHz	−5.71	−20.2	−24.7	1.41