Dual-mode band pass filters

Centre frequency (GHz)

Fractional bandwidth (%)

Insertion loss (dB)

Q-factor

[21]

2.41

4.50

1.38

151

[22]

2.40

12.50

0.39

182

[23]

14.42

2.64

2.60

146

[24]

5.00

4.00

0.70

322

Dual-mode SIW cavity

9.08

4.95

0.43

414

EBG-SIW resonator

9.12

4.38

1.18

179

CSRR-SIW resonator

8.66

2.54

0.55

640