21Mbps 3G USB Modem Huawei E3131 Hilink

UMTS / HSPA + 2100MHz/900MHz
GSM / GPRS / EDGE 850/900/1800/1900 MHz
Data DL Speed: Max 21 Mbps
Upload Speed: Up to 5.76 Mbps
MicroSD memory card slot up to 32GB
Suppot Text messages,Broadcast reception and Group SMS
Antenna: Built in and support external antennas
Number of entries in the phonebook: up to 100..
Supported Systems Windows XP,Vista Win7 or above
Weight: about 30g