... micro SD card. Main Features:1, Wireless 3G modem support android tablets2, HSDPA downlink speeds up to 7.2Mbps 3, Support HSDPA / WCDMA ... on your tablet or laptop6, Support APN auto management7, USB 2.0 full speed port 8, Can work as a USB ... Speed: 7.2Mbps • EDGE 3GPP Release4, class 12, up to 237 Kbps DL and 118Kbps UL • UMTS 3GPP Release4, Max DL/UL ...