Go to the local computer city, or a treasure, an east can be purchased. There are two kinds of portable wifi, one is a card with power supply, and the other is plugged into the usb interface of the computer.
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1. Portable wifi with power card is also called 3G or 4G router, go to the business hall to do a traffic card inserted on the above can be used.
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2. The portable wifi plugged into the USB interface, you need to go to the official website to download the driver and then install, after installation, the portable wifi plugged into the USB interface of the computer, and the wifi will be automatically created after the identification is successful.
Portable WIFi to buy usb is much more convenient