Blimey. Token Ring.At some point we are going to externally insulate our solid walls. So Cat6 is going in every room and camera points.
The house was derelict when I purchased it in 96/97 and I had the foresight to install telephone in every room and bathroom... back to a PABX... even token ring to most rooms.... sadly not cat5.... the internet was a baby back then... who would have thought of it..... all....
I used to keep one of these in my toolbag to scare the juniors
Edited to add:
On my laptop screen that's about actual size