Unless the school has special regulations, wireless routers can be used in general university dormitories. (Of course, you can do it privately if you can't. In fact, most of the regulations are not allowed by operators, not schools. )

Wireless router is a combination of pure AP and broadband router, and it is a router with wireless coverage function, which is mainly used for users to surf the Internet and wireless coverage. The wireless router can be regarded as a repeater, which forwards the broadband network signal connected to the home wall to the nearby wireless network equipment through the antenna.

The popular wireless routers in the market generally support four access modes: dedicated xdsl/ cable, dynamic xdsl and pptp. It also has dhcp service, nat firewall, mac address filtering and other functions.

Taobao also sells many wifi plug-ins and Cheetah wifi software, which is very popular on the Internet. You can download it directly and use it on your computer.