What does pocket wifi mean? Principle???

Use a wired network, a wireless Internet chip (SIM card) provided by a wireless operator, or a computer's own Internet connection as the network source, and build a WiFi hotspot sharing network on this basis.

Through this set of equipment, the non-wifi access Internet connection can be extended out of the wifi network for the use of Internet terminals. Among them, portable WiFi that only uses 2G, 3G or 4G as the network source is also called MIFI.

The network without wifi shares the wifi signal to form a temporary wireless local area network, connects to the Internet, and provides one to multiple wireless Internet terminals to use, which is convenient for mobile office and provides an Internet environment for business trips.

Portable wifi is a modem, router in one electronic device, it is mainly used by the wireless operator to provide the sim card as the signal source to convert the signal into wifi, the formation of a local area network, through radio frequency technology and the use of electromagnetic waves in the air will access the local area network of the equipment generated by the data sent out to the corresponding server.

Pocket WiFi: A device that converts an internet connection into a WiFi signal.

Portable WiFi is the operator 4G or 5G network to you in the form of WiFi hotspots, the premise of using portable WiFi is to have a network signal, and generally to buy the corresponding **.

As for why portable wifi is much cheaper than mobile phone traffic, this is actually a loophole for operators. Operators will provide a network for surveillance, cars and some smart appliances to access the network to transmit data, this network is called the Internet of Things. The Internet of Things is usually a lot cheaper than normal data, and the larger the volume, the cheaper it is.

Portable WiFi is disguised as an IoT device.

But regardless of the operator, it is clearly stipulated that the Internet of Things is not allowed to be used by users alone. If a loophole like portable WiFi is detected, it will be directly disconnected from the network. So this kind of thing is actually not reliable, and the online portable wifi is also good and uneven.

There are many cases where the traffic is wrong, the speed limit is not reputed, and even the people run away directly.

Portable WiFi is a mobile WiFi receiving and transmitting signal source through a wireless mobile router and a wireless Internet macro chip (SIM card) provided by the wireless operator. Through this set of equipment, it can be connected to or envy the 4G network to form a mobile WiFi hotspot, which is to meet the needs of mobile networks for business trips. There are many problems with miscellaneous portable wifi, a lot of false traffic, network stuck, when buying portable wifi, you should look for high-quality, big brands, and regular portable wifi manufacturers with after-sales service.

What does portable wifi mean:

As long as you have a computer to access the Internet, plug in the U disk portable wifi, and you can use mobile equipment to access the Internet without complicated settings.

Portable wifi (take Xiaomi as an example) usage:

1. Enter the Xiaomi portable wifi official through the browser**.

<>6, a prompt box pops up to allow the app to make changes to the device, select: Yes.

7. The following interface appears, select the installation path, confirm it, and click: Start Installation.

8. After the installation is completed, the following interface appears, click: Start Experience.

9. Pop up in the lower right corner of the interface: Please insert the Mi Portable WiFi prompt box, and plug in the Xiaomi Portable WiFi as instructed, and the system will automatically identify and install the driver of the Xiaomi Portable WiFi below, and complete the creation of the hotspot.

10. After the hotspot is created, the interface will display the automatically generated WiFi username and password (if you want to change, please click the change logo behind the WiFi username and password). Next, you can use this wifi username and password to surf the Internet.