In the living room the internet WIFI connection is very low and quite difficult to get sometimes.
I was thinking about buying something to solve this problem.
A friend of mine told me about buying a "AV500 Nano Powerline Adapter Starter Kit TL-PA411KIT" and to plug one close to the router and the other in the living room plug.

But of course, this one doesn't have WIFI. I would need to buy another router or another like this one but with WIFI.
Is this the way to do it? What would you do in my case? Does it makes sense this solution? I really don't know much about networks and I'm kind of lost... I don't even know which other adapters also offer wifi... (this one? plus one of the previous ones?)
Thanks in advance, any help will be apreciated!