... : 3G: HSUPA, HSDPA, UMTS 2G: GSM, GPRS, EDGE Networkmode:dual-modeFrequency: HSUPA / HSDPA / UMTS: 2100MHz GSM / GPRS / EDGE:850/900/1800/Data TransferRate:7.2Mbps maximum ... -PSKotherencryption,built-inbattery canprovide For 2hours longlifeOther features:set wireless router, wireless card, U disk in one mini 3g pocket wifi router with SIM slot