From my understanding (after doing a few weeks of research on this for my own home security) the current "top of the line" tech is the Tomographic motion detect

From my understanding (after doing a few weeks of research on this for my own home security) the current "top of the line" tech is the Tomographic motion detectors which build up a mesh. It has been commercialized by a security company named Xandem, some info on it: https://en.wikipedia.org/wiki/Tomography https://en.wikipedia.org/wiki/Tomography https://www.youtube.com/watch?v=Y8updJWoSxE https://www.youtube.com/watch?v=Y8updJWoSxE I'll be purchasing a Xandem system soon