unlocked AT&T aircard 313u Global Roaming on LTE networks supports DC-HSPA+, HSPA+, HSPA, UMTS, EDGE Key ... the Sierra Wireless Setup Wizard - no CD requiredGlobal Roaming on LTE networks and supports DC-HSPA+, HSPA+, HSPA, UMTS, EDGE, ... GSM 850/900/1800/1900 MHzGPS 1575 MHzAntenna Diversity SupportYesOperating System SupportWindows 7 SP1Windows VistaWindows XPMac OS XLinux Ubuntu 9.04Operating ...