... 1.Built-in 3G module 2.built-in lithium battery 3.High-speed Internet access 2013 new arrive portable ... connectivity Internet.Built-in high energy density, removable lithium battery, readily available MIFI sufficient energy, high-performance built-in ... Wi-Fi 802.11b / g 1500 mAh lithium battery can support continuously for 4 hours, 100 hours standby ... 11g: 54,48,36,24,18,12,11,9,6,5.5,2,1 Mbps 11b: 11,5. ...