HUAWEI E 3531

IPV 6 ready
Micro Secure Digital Memory (microSD) Card
Supporting Windows XP SP3, Windows Vista SP1/SP2, Windows 7, Windows 8(Does not support Windows RT)； Mac OS X 10.6,10.7 and 10.8 with latest upgrades.
Plug-and-Play (Hi-Link Device-Auto connect to the Internet with-in 15 sec)
21.6Mbps (Download) / 5.76Mbps (Upload)
GSM/GPRS/EDGE 850/900/1800/1900 MHz
HSPA+/UMTS 2100MHz