Wi-Fi device detection

Here is an example of what I am meaning with the closest and strongest at the top - using my laptop...

View attachment 1716094318

The hidden one is next door - he's an IT guy working from home.
Correct me if I'm wrong because I don't delve into this too often.
It's possible to select and furhter identify whether its a device that connects to the internet (router and modem, or hotspot) or whether its a device like a printer that can connect to your network.