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Ordinary WiFi can now identify people with near perfect accuracy
(www.sciencedaily.com)
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this post was submitted on 24 May 2026
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Despite what others have said. It could in theory. But could it work with ordinary cell towers today, probably not. I base this on the accuracy of current location tracking by cell towers. They still use triangulation from my understanding, and aren't highly accurate at that. The space your phone could be in is large enough for many people to be. So the granularity just isn't there.
This is probably because of the large range they cover compared to the power levels they use. But in theory if the density of towers were higher, and the power levels were increased, they could probably do it in at least some locations with the perfect conditions.
There is another potential issue, which is the frequency. The lower the frequency, the less it will interact with an obstacle including people.
fret not, 5G antennas are built more densely and they are using higher frequencies