Basic Functions 1. Supporting HSDPA/UMTS 2100MHZ or 850/1900MHZ, compatible with EDGE/GPRS/GSM network; 2. Easy connection, directly connect to the PC or laptop by using a provided mini USB extension cable; 3. High speed with HSDPA and UMTS data (up to 7.2 Mbps downlink) and backward compatible with EDGE/GPRS/GSM data connectivity (up to 247 Kbps); 4. Support SMS, phone calls; software electricity retrenchment; 5. Compatible with nearly all modern desktop and laptop PC equipped with Microsoft OS (2000,XP,XP Pro and Vista). Characteristics 1. Exempt drive, plug and play, auto install and turn on application programme when inserting the data card into desktop or laptop PC; 2. Good incept balance capability; 3. Industrial technology scheme, superb performance; 4. Visual feedback on connection status with the LED and signal strength indication. Specifications 1. Dimensions: 72 mm x 46.18 mm x 14.72 mm (length x width x height); 2. Weight: 49G; 3. Handover mode: Auto (HSDPA-WCDMA-GPRS); 4. Antenna: Internal antenna; 5. Operating system support: Microsoft Windows Vista, XP, XP PRO, 2000; 6. USB power supply, USIM interface; 7. Interface support: mini USB. 8. Radio mode selection: 3G/3.5G only (WCDMA/HSDPA) 2G only (GSM/GPRS/EDGE) 2G+3G (3.5G dual-mode); 9. EDGE/GPRS data speed is up to 247Kbps; 10. HSDPA data speed Downlink: up to 7.2 Mbps Uplink: up to 384Kbps; 11. Enviroment temperature: -20º C ~ +40º C.