This page explains how to get online via a wireless connection with your Nintendo Switch.
How to Connect to WiFi Network in Nintendo Switch?
tinfoil doesn't connect to wifi can someone help me? : r/SwitchPirates
What to do if Switch won't connect to Internet or Wi-Fi? - Android Authority
Switch] How can I stop all wireless communications? (Airplane Mode settings), Q&A, Support
Internet connection (with a wireless connection), Nintendo Switch Support
How to connect a Nintendo Switch to your TV
How to Use a VPN on a Nintendo Switch
Internet connection (with a wireless connection), Nintendo Switch Support
Nintendo Switch WiFi / Internet Connection Issues : Reasons & 7 Fixes / Solutions
How to connect a Nintendo Switch to your phone's hotspot
How to Connect Switch to Hotel Wi-Fi - Alvaro Trigo's Blog
Nintendo Switch WiFi / Internet Connection Issues : Reasons & 7 Fixes / Solutions