I bought a big star link travel. Back when they had the house one and the travel one before they came out with the mini. So I have the large one thats mobile. It works when you get to where you are going not while you are on your way. At the time they made one for motion you could pay for too.
Mine is a big square dish in the yard, looking North from mid Ohio of all things. I figured south. More sky. But no its north.
A cord runs from the dish to the router. (the thing that makes your wifi signal)
And a cord runs from the router to a 110 outlet.
Ideally you set the router in the middle of your house near a 110 outlet and run a cord outside to the dish. All mine is 100% outside on the patio and all of my wifi signal in the house is from the router that is outside and that signal is coming through the walls of the house. It works good enough that I still haven't ran the permanent cord through the house yet.
With my setup you can just pick everything up out of the yard, roll up the cables, and throw it in the camper and head to the campground.
It expensive and I would change to something good to save money but this is pretty much my only option at this point. Not sure if I should look at other plans now that I have had it awhile or not.
Mine is pretty good but its not as fantastic as you think it'd be. Its still the best I can get but if I could get fiber or a cable modem I'd do it. DSL can be a way to go in the right spot. I went from DSL to Starlink. My DSL would have been good except I was too far away from the hub and my phone lines were old and sucked coming down the road. There are new construction places that can have great DSL.
Your steel building question will be fine. Satellite outside looking north with no trees and open sky and your router in the building sending signal in the building and not through the building should be fine. I'm pretty sure mine had a 30 day free trial. Hard for signals to go through metal walls. Your dish will be outside and that signal will come in through that cable and the router will be pushing wireless signal out wherever you have it which in this case would be in the building... so you might not have much signal on the patio in your example... but you can move your router around. I bought extra cables so when I ran one from outside to inside I could just leave it. You could have an extra one leading to the patio in this example if you wanted.
Anyway thats how it works.
