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Thursday, May 10, 2012
Anti-WiFi Wallpaper Available Next Year
hypnosec writes with good news for folks who want to live in a Faraday cage. From the article: "A new type of wallpaper, which has been developed by scientists from the institut polytechnique Grenoble INP and the Centre Technique du Papier, will go on sale in 2013 after a Finnish firm, Ahlstrom acquired the license. What looks like a bog standard wallpaper roll actually contains silver particles that allows it to filter out up to three different frequencies simultaneously. It is not the first time that such a technology has surfaced. Back in 2004, BAE Systems was tasked by Ofcom to come up with a similar solution based on what was then called a stealth wallpaper. It used copper instead of silver and blocked Wi-Fi signals while letting GSM, 4G and emergency calls through. Back then though, a square meter cost ?500 whereas the Wi-Fi wallpaper devised by the French researchers should be priced reasonably, with costs matching those of a "classic", mid-range wallpaper according to M. Lema?tre-Auger, from Grenoble INP."
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