Long story short. My brother has cable internet installed in our house, prior to this my nephew was repairing a wall in our living room and said repair added an extra thickness to that wall and now trying to get wifi through said thickness is impossible. A cable service rep said an extender would make it work.

I found this and wondered if this will work to do what we need:

https://www.newegg.com/Product/Produ...-283-_-Product