1. HSPA+/HSPA/UMTS 900/2100MHz 2. GSM/GPRS/EDGE 850/900/1800/1900MHz 3.21Mbps download speed 4. Receive diversity 5. Micro SD

21Mbps 3G USB Modem Huawei K4505

Main Function:
HSPA+/HSPA/UMTS (900/2100MHz)
GSM/GPRS/EDGE (850/900/1800/1900MHz)
Support: 5.76Mbps uplink & 21Mbps (28.8Mbps ready) HSPA services
Support MIMO
Support Micro SD
Support receive diversity (850/900/1900/2100MHz)
Plug and play
Support OS: Windows2000/XP/Vista, Mac