"I mention this not to scare you—governments have had tools like these for years. It's just better to know what's possible and expose bad security practices than to ban useful tools like these. So if you're in the CIA, don't get any ideas."

https://www.jeffgeerling.com/blog/2026/quadrf-can-spot-drones-and-see-wifi-through-my-wall/

ho lee crap! Watch it see through walls on the YT inset. 

This thing is going to be a big hit with landlords and voyeurs in neighboring apartments.

I wonder if Bezos sells lead foil?

It shows activity and I guess each dot is a packet, but can you actually home in on a single signal from a single source (or both ends), grab the packets and decode with this?

Update:

"Tap on an RF source, and you can instantly isolate it and pass the signal on to your SDR programs to decode,"
https://scalerf.com/

So I guess that's a yes