Portable WiFi is more reliable, it is the use of your mobile phone card inserted in a special U disk, and then the U disk inserted into the phone, a WiFi amplification function, the U disk is equivalent to a wireless network card, and then make your mobile phone with the effect of WiFi repeater, so that you can search the WiFi around you. But this U disk is very power consumption, the current mobile phone may not be able to support, a few hours out of power.
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At present, the best use of portable wifi is grid portable wifi6, a new upgrade, ZTE microchip, is the sixth generation of wifi6 4G equipment, compared with the previous generation of WiFI5, WiFI6 has greatly improved in network speed, coverage area, data transmission capacity and the number of access devices. Wireless gives you a wired experience!
Portable WiFi charging bank is very reliable. Because you can charge your phone when it's dead.
Portable wifi is convenient but not secure. The charging belt has many advantages, but the disadvantage is bulky.