The so-called wired terminal, that is, the device connected through the network cable such as the traditional pc connected to the router through the network cable is a wired terminal; Wireless terminals are devices connected through wireless signals, such as mobile phones connected to the Internet through a wireless router is a wireless terminal.
The difference is wired and wireless, wired router is a device that needs network cable link, that is, where your computer gets, you need a network cable from the router to the computer, only in this way can be connected to the Internet, and wireless router is a device that does not need network cable, only need a network cable plugged into the wireless router, and then set up to be able to use the network in a wide range. The premise, of course, is that you have a wireless card on your computer.
The so-called wifi is wireless Internet access, the need is a wireless router, wireless router setting is the need to connect a network cable from the router to the wireless router, and then use the computer to set, the setting steps generally buy wireless routers have installation instructions, but even if there are instructions, or you need to explore for some time.
Wireless router has good and bad, there are thousands of good, almost 60, 70, more than 100 is a general router in the middle of the lower, it is recommended to buy TP LINK, D LINK, you can go to Taobao to see, there are a lot of, my Taobao is to buy 99 yuan, with good, through 2 layers of wall and 3 cell signal.