Table 2.

Comparison of design stages with respect to absorptance peaks and application frequency bands.

Different design steps	Maximum absorbance frequency (GHz)	Highest absorption (%)	Bands covered
Design-1	4.077, 13.787	89.03%, 34%	C, Ku-band
Design-2	4.077, 11.02, 13.61	87.21%, 94.75%, 33.73%	C, Ku-band
Design-3	3.58, 4.38, 10.92, 16.928	97.8%, 94.5%, 99.7%	S, X, Ku-band
Design-4	10.384, 16.72	48.7%, 74.94%	X, Ku-band
Proposed design	3.26, 11.6, 17.13	93.8%, 96.47%, 99.95%	S, X, Ku-band