You can use a generic USB Type-C hub/dongle to get an Ethernet connection on you CCWGTV (i.e. you don't need to get the official plug from the Google Store) : r/Stadia
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QacQoc GN30H USB-C Hub HDMI 4K 30Hz Video USB 3.0 Gigabit Ethernet Windows Mac | eBay
USB C Hub Adapter Aluminum 8-in-1 QacQoc GN30E Type C hub with 4K HDMI (30Hz), USB-C Charging Port,Ethernet,SD/Micro Card Reader,and 3 USB 3.0 Ports for 2016/2017 MacBook Pro,2015/2016 MacBook, Chromebook and more (
QacQoc GN30H Premium USB-C Hub Review: One Hub For All? - Gazette Review | Usb, Accesorios de computador, Hub usb
QacQoc USB Type-C Hub Review (GN30H) - Port Heaven | Review Hub
Yottamaster USB C HUB to 4K HDMI USB 3.0 PD 100W Power Adapter Docking Station | eBay
QacQoc GN30H USB-C Hub Review - YouTube
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QacQoc GN30C USB C Multiport Adapter REVIEW - MacSources
Review: QacQoc USB-C Hub – More Ports For Your MacBook - MacTrast
QacQoc USB C Hub, Aluminum Type C Adapter with USB-C Charging Port, Ethernet, 4K HDMI, 3 USB 3.0 Ports, SD/TF Card Reader Compatible with 2016/2017 MacBook Pro,2015/2016 MacBook and More(Silver) : Amazon.ca:
QacQoc USB Type-C Hub Review - DroidHorizon
This USB-C Hub Does Everything: QacQoc GN30H Review