... positioning navigation system 3G,WIFI 802.11b/g support,EDGE,HSDPA,HSUPA Light sensor,Gravity Sensor,Proximity sensor,Digital compass Mobile ... 4 (Froyo)MS mode:WCDMA/GSMFrquency band:WCDMA 2100/850 (HSDPA) and GSM 850/900/1800/1900sim card:Dual sim cards ... /g/n,Bluetooth 2.0,EDGE,HSDPA,HSUPAModem features:Wireless AP ( Mobile AP )HSUPA:Support 5.76 MbpsHSDPA:Support 7.2 MbpsLight sensor:SupportProximity ...