Qatar Science & Technology Park

The benefit of this sort of FSS is that they are simple to design and manufacture however the drawback is that they aren’t reconfigurable. On the other hand, energetic FSS is made up of the same humorous shapes with the incorporation of some active electronic gadgets like gun diode, varactor diode or capacitors. These active units make the dimensions of the FSS much smaller than a passive one and are reconfigurable.

Technology 2

Once this surface is fabricated, its properties cannot be altered. The other fundamental level is that they should be relatively giant sufficient to be pasted on a big cross-part of the wall or window.

It means that FSS is now working as a band stop filter for two.4, 5 and 6 gigahertz WiFi alerts while appearing as a band cross filter for GSM and 3G indicators and other emergency service calls. FSS can also present the isolation …