This jogged some memories! Was working on something that used radio waves to detect objects and humans ~5 years ago, I see that we've come a long way since then

This jogged some memories! Was working on something that used radio waves to detect objects and humans ~5 years ago, I see that we've come a long way since then. One of our goals(abandoned) was to also extend to wifi routers, so I am excited to see continued interest in this space! https://www.sensorsportal.com/HTML/ST_JOURNAL/PDF_Files/P_3203.pdf https://www.sensorsportal.com/HTML/ST_JOURNAL/PDF_Files/P_32...