EURASIP Journal on Wireless Communications and Networking

Table 6 The effectiveness of the suggested filtenna and the WB antenna

From: Efficient design of a wideband tunable microstrip filtenna for spectrum sensing in cognitive radio systems

Frequency \((\text{GHz})\)	Efficiency \((\text{\%})\)		Realized gain \((\text{dBi})\)
Frequency \((\text{GHz})\)	Antenna	Filtenna	Antenna	Filtenna
1.96	89.9	59	2.8	0.89
2.422	95	60	3.12	1.5
2.608	95.8	60	3.05	1.39
2.917	95.4	58	2.72	0.7
3.3	95.2	55	3.53	1.03
3.52	95.6	49	4.15	2.26

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