Nowadays, people are using wireless networks more and more, but their security problems are becoming more and more prominent, because it is easy to be broken. In response to this situation, French scientists have developed a new type of wallpaper that can block the Wi-Fi signal, which is both beautiful and can control the range of the signal in the room where the user is located. This wallpaper will be available for sale in 2013, and the price is only slightly higher than the average ordinary wallpaper.
This new wallpaper is jointly developed by the Grenoble Institute of Technology in France and the French Paper Technology Center. Its production material is a special silver crystal that can limit the Wi-Fi signal to a certain range. Because it only affects signals within a fixed frequency, it will not affect the signal.
Pierre Lematt Orge, a researcher at the Grenoble Institute of Technology, said that wireless networks can be easily compromised. If such wallpaper is decorated on the walls of offices or apartments, then the wireless network can be protected from theft. Although most wireless network users will set a password, sometimes they will be rubbed by neighbors, which will affect their own network speed. This wallpaper can further ensure the safety of wireless network use.
However, this kind of product is not the first time it is available. A few years ago, the British aerospace system company had launched a similar product, but at that time its price was very high, the price of 10 square feet (about 1 square meter) wallpaper is about 800 US dollars (about 5038 yuan).
In contrast, the price of this new wallpaper developed by French scientists is much more reasonable, only slightly more expensive than the ordinary wallpaper on the market. Moreover, it can be attached to the surface of many materials, including concrete, brick and lime layer, to further prevent Wi-Fi signal leakage and improve the security of wireless networks.
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