How to connect the Nintendo Switch Tablet directly to a Wired Ethernet connection without the Dock - YouTube
Amazon.com: TV Docking Station with 1000M Ethernet for Nintendo Switch,Charging Dock for Nintendo Switch Portable Dock Station,3-Port USB 2.0,USB C to HDMI 4K for Switch, Switch OLED(Not Supported Switch lite) : Video
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Ubiquiti USW-LITE-8-POE Fully Layer 2 UniFi Switch Lite