E5220 PA + Mobile WiFi is t world's thinnest mobile WiFi. It is t successor of E5331 mobile WiFi. With HiLink technology, E5220 can connect quickly within 5s. T maximum download speed is 21.6Mbps, and t upload speed is 5.76Mbps. T E5220 is better than t E5331 and can support up to 10 wireless users. Ultra-thin design, one hand can hold. Support for up to 10 user connections. One-click connection to the Internet, multi-state indicator light. Support a variety of mobile devices, notebooks, mobile phones, computers, all kinds of devices that support WIFI. Long battery life, support 5 hours of continuous work, 280 hours standby.