WiFi routers can see people through walls. Here's how it works

[OAITW r.2.0]

https://www.zmescience.com/feature-post/technology-articles/computer-science/wifi-router-sees-people-through-walls/

A friend sent this link to me. Don't know anything about zmescience, but thought this was interesting enough to share here.

[Bo Zarts]

1. Then why can't I get a WiFi signal through the plaster walls of my 120 year old house?

[OAITW r.2.0]

2. Tinfoil lined?

[RainCaster]

3. lath and plaster is less transparent than drywall

The old school lath and plaster walls don't pass WiFi like plaster walls do. You already know how much sound deadening you get with those old walls, similar with RF signals.

[harumph]

4. That's fascinating and useful information.

I already use cat 6 exclusely for my workstations - but I maybe can create some short distance nodes for the wifi.