3 ms·

And in specific, lookup Tomographic Motion Detection ala: https://www.youtube.com/watch?v=Y8updJWoSxE https://www.youtube.com/watch?v=Y8updJWoSxE http://www.s

• captn3m0 10y ago
  This is a nice piece of recent research: Keystroke Recognition Using WiFi Signals [0]: https://www.sigmobile.org/mobicom/2015/papers/p90-aliA.pdf https://www.sigmobile.org/mobicom/2015/papers/p90-aliA.pdf