Switch should support Bluetooth and 5Ghz Wi-Fi, no 3G or LTE
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Is the Wii 2.4 GHz or 5GHz?
Top 3 Causes of Slow Wi-Fi – MetaGeek Support
Wii U wireless controller extender hack | GBAtemp.net - The Independent Video Game Community
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My Wii U won't connect to the internet! (Not even when I tried connecting it to a hotspot from my phone) Has this been happening to anyone else recently, or just me? :
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Does anyone know the exact frequency the Gamepad uses please? | GBAtemp.net - The Independent Video Game Community
Mods to extend the range of WiiU gamepad? | NeoGAF
2016 Wii U wifi router issues Fixed - YouTube
How to Connect Nintendo Wii U to WiFi - Support.com TechSolutions