Amazon.com: Cmple - 2 Port Cat5e Surface Mount Box, RJ45 Cat5 Dual Port Surface Mount Box for Ethernet Cables, Screws and Double-Side Tape Included, Easy Mount – White : Electronics
Black Box GigaBase 350 Cat5e Patch Cable - Cableorganizer.com
Switch - 10/100Mbps RJ45, USB Powered | Black Box
Waveshare Ethernet/USB Hub Box for Raspberry Pi Zero (1x RJ45, 3x USB 2.0) | Elektor
RCA Cat 6 White Ethernet Cable Box in the Ethernet Cables department at Lowes.com
Black Box Industrial 1-Port 10/100 Mbps Ethernet Extender LB320A
1000FT CAT5e UTP Network Ethernet LAN Bulk Cable, 24 AWG Solid CCA Wire, Pull Box, SatMaximum
Rocket IOT-S USB/Ethernet Box to Rocket Cable — UTILITY
New house with Ethernet ports in all rooms but no idea how to use it. There is a control box with an Ethernet switch. Image attached : r/HomeNetworking