If you look at the back of your router, you will see a port labeled “WAN”. Sometimes this can have a cable plugged into it, whereas in some cases it is left empty. So, what is the purpose of this WAN port and what is it used for?
Powerline adapters are a useful way of being able to extend a wired internet connection throughout your home without the hassle of having to run new cables, but some people may have concerns around whether they use a lot of electricity given that they are always plugged into the mains.
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