high speed 3g HSDPA modem

Simple discription: The HSDPA Modem is a complete 3.5G enabled wireless USB Modem designed to offer high-speed wireless connectivity for Windows notebook and desktop computers on HSDPA networks. It is easy to use USB connector and the ability to roam globally on tri-band UMTS and quad-band GSM/ EDGE networks.It enables connection to internet downlink speed up to 7.2Mbps and uplink to 384kbps The compact USB Modem don’t need to install drivers from a CD because the software is included on the device. It also supports a microSD memory expansion no matter whether connect with the Internet or not . Basic performance * The HSDPA modem is Worldwide used with tri-band UMTS and quad-band GSM/ EDGE operation. * Capable of wireless data speed up to 7.2Mbps * Receive SMS messages. * Accessing E-mail and browsing the WEB. * USIM card and SIM functionality. * MicroSD memory expansion. * Zero install software,No CD required for windows. Features Dimension: 89.1*27.6*12.7mm Weight: About 21g Language: English, Chinese Mode: Dual mode Driver installation: Zero install software, No CD required for windows. Availble operation system: Windows2000/XP/VISTA/win7/Linux MAC lastest OS 10.4 and 10.5 External Interface: USB 2.0 interface with PC Internal Antenna Built-in 5 bands SIM card slot and MicroSD memory expansion slot, support ult 4G memory card.Workable network and RF bandQuad band GSM/GPRS/EDGE: 850/900/1800/1900MHzTri-band UMTS: 850/1900/2100 MHz Transmission rate of differetnt network HSDPA modem: Max downlink:7.2Mbps uplink:384KbpsFunction of phonebook: build New, edit and delete, Store and sendSMS functions: Group and single sending , reply, Create new,delete,edit, Save to draft box, Sms shift between SIM card and PCSystem Requirements: Card Slots: USB Interface Memory: 32 MB Disk Space: 32 MB System:Pentium 150MHz or higherEnviroment requirementWorking temperature: -20°c +55°cStorage temperature: -20°c +60°cHumidity : 0% 90% (35°c)Blue colorGreeen Color