... 3G modem support android tablets 2, HSDPA downlink max 7.2Mbps 3, Support HSDPA/WCDMA/EDGE/ ... Micro-SD card slot, support Micro SD card (Max 16GB)SPEC:Technical Standard • HSDPA 3GPP Release6,category ... 7/8, Max Downlink Speed: 7.2Mbps • EDGE 3GPP Release4, ... Kbps DL and 118Kbps UL • UMTS 3GPP Release4, Max DL/UL: 384Kbps • GPRS GPRS Multislot class 10, ...