Huawei UMG1691 Modem Specifications HSUPA / UMTS (900/2100MHZ) EDGE/GPRS/GSM (850/900/1800/1900) HSDPA 7.2Mbps and HSUPA 2Mbps (5.76 Mbps ready) GPRS Class 12 270 Degree Rotating USB Connector microSD Card Slot Support SMS and Voice services 1 Color Service Status LED OS Compatibility: Windows® 7, XP, Vista & Mac OS X Dimensions: 3.2” x 1.1” x 0.5” Weight: 30g   A small, yet mighty powerhouse, the webConnect UMG1691 3G wireless modem provides fast and easy access while you’re on the go. Its rotating USB connector offers convenient set up and folds into itself for protection when not in use. Global roaming ensures data and SMS connectivity even when you travel outside.