need help with FSS for 2.4 & 5 GHz

wat r u actually looking for?
explain in detail. so that someone can help u

I need FSS which will operate on these 2 Wi-Fi bands (2.400GHz - 2.483GHz and 5.150 to 5.350 GHz) In this case I ignore band 5.470 to 5.725 GHz. It should work as reflector for patch antenna. Antenna should be on FR4 substrate with Er=4.4 and thickness 1.6mm.