Stealth Wallpaper Could Keep WLANs Secure

New wallpaper blocks Wi-Fi frequencies without interfering with mobile phone signals.

BAE Systems has developed wallpaper that will keep Wi-Fi traffic within a companys walls, but let other radio and mobile phone traffic get through. The UK-based defense contractors FSS (Frequency Selective Surface) panels can be applied to most surfaces including glass. There is no timescale for its commercial availability.

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