Gain Enhancement of Low-Profile, Electrically Small Capacitive Feed Antennas Using Stacked Meander Lines

Table 2

The antenna characteristics at the resonance frequency.

Antenna	Resonance frequency (GHz)	ka	Antenna gain (dBi)
CFMA	1.215	0.338	−9.79
2L-CFMA2	1.725	0.481	−3.81
3L-CFMA	1.7375	0.485	−2.76