1. 3g usb modem sd slot 2. OEM accept,Quadband 3. 7.2mpbs speed 4. support memory card slot

3g usb modem sd slot H750/OEM accept/7.2mbps/support memory card slot

Interface Type: USB (1.0 and 2.0)Systems supportedSup:ports most types of laptop and desktop PC.Operating systems supported: Windows 2000, XP SP2, Vista  Apple MAC OSFunctions: SMS service, Data service, Applications management, Data concurrent, support MicroSD card, etc.Memory: About 30MB Internal Memory  available to carriers or users.  Expandable with MircroSD(Can be used as a memory stick)Network Standards: HSDPA/WCDMA/UMTS/EDGE/GPRS/GSMTransmission(Max. data rate): UMTS 384Kbps UL     HSDPA 7.2Mbps DLLED: Indicating HSDPA/UMTS operating statusAntenna: Internal antennaEqualization: SupportTemperature: '-20°C ~ +60°CWeight: About 33g

Frequency  BandHSDPA/UMTS 2100 MHzEDGE/GPRS/GSM850/ 900/1800/1900MHzPerformanceHSDPA: Downlink: 7.2M bpsPC Interface  USB InterfaceMemory  NAND Flash + SDRAM:512MDriver Installed  AutoT-FLASH  SupportTransfer content  DataSupport phonebook managementMessage  SMSSIM and USIM     compatible  ( Standard 6 PIN Interface)EDGE/GPRS  CLASS 12Support Connection, Security, Network,Message and Alert settings

3g usb modem sd slot H750/OEM accept/7.2mbps/support memory card slot