Wall Eye Ethernet Port 3/4" ID - Fits Thickness Variance of Between 3 7/8" - 5 3/8" This Unit Allows The Running of Wires, Tubes or Cables from one Side of a
How to run ethernet cable through walls from attic?
data wiring - How do I run ethernet cable through a wall cavity? - Home Improvement Stack Exchange
networking - Enabling Ethernet connections in my whole household? - Super User
Running ethernet from desk to closet : r/HomeNetworking