Detailed Product Description 3G HSPDA USB modem wireless network card, sierra wireless aircard, aircard 881U:The AirCard ... solution, ideal for desktop or notebook computer use and are compatible with both Windows and Mac operating systems. The familiar USB ... uplink, on the latest HSPA networks Familiar USB connection Fully compatible with HSDPA, UMTS, EDGE, GPRS, and GSM networks Supported OS ...