I have a similar setup using a GL-AR750S portable wifi router that we use in the camping trailer. It also creates a small wifi and wired network that we use to connect the trailer TV to a small server for movies and so on. What makes this wifi router more useful is it's ability to connect to my phone's wifi hotspot (or other sources) and bridge access to the internet through the cellular network or most any other internet source. With a setup like this you can get access to the internet when needed, but don't have to have it all the time. It is a tiny portable private network box with lots of useful features.
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