... usb modem sd slot H750/OEM accept/7.2mbps/support memory card slotInterface Type: USB (1.0 and 2.0) ... , 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 ...