A novel frequency selective surface (FSS) absorber is presented for 5 GHz WLAN applications. It consists of a conventional conducting cross-dipole FSS and a matching resistive FSS. This thin configuration has shown good stopband and absorption characteristics for 5 GHz WLAN signals while allowing 900/1800/1900 MHz mobile signals to pass through almost unattenuated. Preliminary theoretical results on absorption and transmission are described.
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