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Wallpapers that can block WiFi Signals

The Researchers at ' Institut Polytechnique de Grenoble ' have developed material that will block only the WiFi signal transmission. This material has a layer of mesh arranged in a snowflake-like pattern.

wallpaper block wifi signal

This pattern is the key to keeping WiFi from passing through while letting your cellphones operate normally. You can plaster your house/office with this wallpaper to keep anyone outside from using your WiFi network.


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