Among them, the portable WiFi that only uses 2.5G, 3G, 4G or 5G as a network source is also called MiFi. Through this set of equipment, the non-WiFi access internet connection can be expanded to a WiFi network for use by the internet terminal. Use a wired network, a wireless Internet access chip (sim card) provided by a wireless operator, or the computer’s own Internet connection as a network source, and build a WiFi hotspot sharing network on this basis. It has other names, such as travel router, mobile hotspot, etc. It’s divided into two kinds, sim card and usb for computer. The Portable WiFi router is a device that can convert the wired, 2G, 3G, 4G, 5G network or the Internet connection on the computer into a WiFi signal, which can meet the network-dependent needs of business and travellers who travel on mobile offices. However, before you buy, you need to answer 5 questions. You may know what the portable WiFi router is, and even want to buy one.
We can use public WiFi but it’s not safe to our data. As everyone has mobile phones or laptops, the WiFi is important for us when we’re outside.
