... g/n wireless standard 2.3G HSDPA/UMTS,GSM/EDGE/GPRS 3.Built-in 3G module 4.SIM slot ... g/n wireless standard 2.3G HSDPA/UMTS,GSM/EDGE/GPRS 3.Built-in 3G module4.SIM slot Main ... 3G CardBuilt-in 3G moduleNetworking TypeWCDMA/UMTS/HSDPA/HSUPA,GSM/GPRS,EVDO,TD-SCDMAWorking frequency1.WCDMA/UMTS/HSDPA/HSUPA ... :2100MHz; 2.GSM/GPRS/EDGE:850/900/1800/1900MHz; 3.UMTS 384Kbps Uplink,HSDPA 7.2Mbps ...