1 3g wifi modem 2Build-in 3G modem, ADSL or cable modem, Ethernet, WIFI Access 3.WDS Function, Bridge, Repeater, ... provides four types of internet access and broadband sharing. (USB 3G modem or Build-in 3G modem, ADSL or cable modem, Ethernet, WIFI Access ... modem inside enable to access internet any timeLow power consumption, endurance capacity up to 4 HoursSupports 3G, PPPoE(DSL and Cable modem), ...