Can I use wireless router to set up wireless printer and internet?
You need a wireless router. The printer and your computer(s) will both connect to the router wirelessly, and the router connects to the modem with a cable. Then if you want to print, the router sends your signal from the computer to the printer, and if you want to go online, the router sends your signal to the modem. You can also do without the router, by wiring your modem directly to your computer, and setting up an ad hoc network to connect the printer. But that’s hard to do and very unstable, so I’d really suggest buying a cheap wireless router.
