Technical SpecificationsGeneralGSM/GPRS/EDGE bandQuad-Band: 850/900/1800/1900 MHz Power Class 4 (33 dBm,850/900 MHz) Power Class 1 (30 dBm,1800/1900 MHz) UMTS/HSDPA/HSUPA1 band900/2100 MHz Power Class 3 (23 dBm) Data Throughput2Downlink up to 21.6 Mbps in HSPA mode Uplink up to 5.76 Mbps in HSPA mode SecurityWEP 64-bit/128-bit WPA-PSK Auto(TKIP/AES) WAP2-PSK Auto (TKIP/AES) WPS Push-Button Connection Advanced FunctionsBuilt-in firewall Built-in NAT UPnP Physical/InterfacesInterfaces802.11b/g wireless LAN, compatible with 802.11n devices 6-pin USIM card interface microSD card interface Micro-USB port Antenna1 x internal 3G main antenna 1x internal Wifi antenna 1x internal 3G auxiliary antenna (on band 900/2100 or 850/1900/2100) DisplayNetwork type Battery status Wifi status PowerDC 5 V/1 A /- 5% 2000 mAh Li-ion battery Dimensions100.3 x 49.35 x 14.13 mm Weight43.67 g Operating Temperature-10 to 55 C (23 to 131 ËšF) Operating Humidity10% to 90% (non-condensing) CertificationsCE Wifi Certification 1 Supported frequency band is dependent upon regional hardware version.2 Data rates are theoretical. Data transfer rate depends on network capacity and signal strength.3 SD card not included.