USB modem offering connectivity for your PC to AT&T"s 3G and EDGE networks * Runs on AT&T"s 3G UMTS/HSDPA/HSUPA network with downlink speeds of 700 Kbps to 1.4 Mbps and uplink speeds of 500 Kbps to 1.2 Mbps * microSD memory card slot compatible with cards up to 32 GB * Works internationally with optional DataConnect Global plan * OS support: Microsoft Windows 7, Vista, XP; Mac OS X (version 10.4 or later)