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View Full Version : Low-power WiFi signal tracks movement, even behind walls - ExtremeTech


wireless
06-27-2013, 09:06 PM
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ExtremeTech (http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNH36AQ3tEFWq98yUC5Ms434eOT4jQ&url=http://www.extremetech.com/extreme/159917-low-power-wifi-signal-tracks-movement-even-behind-walls)
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Low-power WiFi signal tracks movement, even behind walls (http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNH36AQ3tEFWq98yUC5Ms434eOT4jQ&url=http://www.extremetech.com/extreme/159917-low-power-wifi-signal-tracks-movement-even-behind-walls)
ExtremeTech
Researchers at MIT's Department of Electrical Engineering and Computer Science think they've sorted out a way to use inexpensive WiFi gear to detect objects and people behind a wall, or even in other rooms. The technology, known as Wi-Vi, is being ...





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