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Can Wi-Fi let you see people through walls? - CNET (blog)
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ExtremeTech <img alt="" height="1" width="1" /> Can Wi-Fi let you see people through walls? CNET (blog) Part of a Wi-Fi signal transmitted at a wall will penetrate it and reflect off people on the other side. The MIT system ignores all the other reflects, such as from objects, to focus on those from moving people only. It can determine the number of ... Low-power WiFi signal tracks movement, even behind wallsExtremeTech all 2 news articles » Courtesy of WestNet City Wi-Fi www.westnet.ca |
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