I have the typical home internet with router inside my house that works great. The router is set up near a glass sliding door, so the signal actually works pretty well outdoors. I have a detached metal building workshop that I need a way to get wifi inside. The building is only about 30-40ft from the back door that has the router next to it, so I actually get a decent signal from the front of the building, and even when I have the roll up doors open. The problem I’m having is getting any signal through the metal. I need some sort of repeater (I think) that captures the signal outside, and has a separate wired repeater (or router?) that I can place inside the building to get signal inside. I found something on Amazon that I believe would work, but it’s definitely on the more expensive side, and seems a bit overkill for what I need. I just want to be able to use the internet and stream music so nothing too demanding. Maybe a YouTube video on my phone when I need to look up some how to videos. There are a lot of devices out there and I’m hoping someone with more knowledge can recommend a more budget friendly alternative. Thanks

Here’s a pic of the thing that I believe will work: