Let's put it this way: can I get tap water by buying a tap water pipe and plugging it into the wall? It must be connected to the water pipe, right?

Open broadband in the dormitory first, then buy a wireless router, set it up according to the instructions and you can use it.

However, the coverage distance of wlan is limited, and there is no signal beyond ten or twenty meters.

The kind in school can be understood as the campus is densely covered with wireless routers. Although this is not the case, it is easy to understand for the time being.

If you want a campus network, you need a client login software. You can try. Install a sea spider routing software on your notebook and use it as a wireless router. If you try, you can't guarantee success.