Internet connection (with a wired connection), Nintendo Switch Support
This page explains how to get online via a wired connection (using a LAN cable) with your Nintendo Switch.
How to Connect to WiFi Network in Nintendo Switch?
I tried EVERYTHING but NSP games won't play, PLEASE HELP : r/SwitchPirates
Setup Wired Internet Connection on Xbox One S!
Internet connection (with a wired connection), Nintendo Switch Support
USB Ethernet Adapter: UE306 is a USB 3.0 male A to RJ45 female ethernet adapter which connects your computer or tablet to a router or network switch
TP-Link USB to Ethernet Adapter (UE306), Foldable USB 3.0 to Gigabit Ethernet LAN Laptop Network Adapter, Supports Nintendo Switch, Windows, Linux
Gaming On Ethernet Vs. Wi-Fi
How to Connect a Phone or Tablet to the Internet Using an Ethernet Cable
Wired Connection Nintendo Switch: How to Set it Up?
Best Nintendo Switch Ethernet Adapter: Reliable And Cheap Options - GameSpot