HUAWEI E3251 Hi-Link, 3G dangle, unlocked with CRC-9 Antenna interface

Technical Specification:
3G bands: DC-HSPA+/HSPA+/UMTS 2100(850/900/1900 optional)MHz,
2G bands: GSM/GPRS/EDGE 850/900/1800/1900 MHz;
Max data transfer DL speed: DC-HSPA+ 43.2Mbps; HSPA+ 21.6 Mbps 21Mbps
Type: USB Stick, Plug and play, standard USB interface, easy to connect
Support microSD Card up to 32GB
Antenna: Dual internal antenna and support External antenna
HiLink features (Driverless, Web UI, Auto connect)
Size: 86.6X26.2X11.7mm
Weight: 29.6g
OS: Windows XP SP3、Windows Vista SP1/SP2、Windows 7、Mac OS X 10.5, 10.6 and 10.7 with latest upgrades;