표 2. | Table 2. A-T 구성의 FSR 비교 표 | A-T composition FSR comparison table.

Ref.	Transmission band /insertion loss	Polarization	Absorption bandwidth ( >80 %)
[4]	9.5 GHz/0.3 dB	Dual	2.8∼9.8 GHz (3.5:1)
[10]	9.3 GHz/0.5 dB	Single	2.5∼8.3 GHz (3.3:1)
[11]	9.45 GHz/0.15 dB	Single	3∼8.3 GHz (2.8:1)
[12]	5.6 GHz/0.2 dB	Single	2.6∼6.6 GHz (2.5:1)
This work	35 GHz/0.5 dB	Dual	7.8∼28.5 GHz (3.65:1)