Huawei E1550 Modem Specifications

• HSDPA/WCDMA 2100MHZ
• GSM/GRPS/EDGE 850/900/1800/1900MHZ
• HSDPA data transfer speed up to 3.6Mbps
• USB interface
• install automatically and easy to use
• Micro SD memory card slot(up to 4GB)
• size:70.1mmx25.7mmx 11.6mm
• weight:50g.
• System Requirements: windows 2000/XP/Vista or Mac OS X 128MB of RAM 50MB free hard disk space or above USB slot.

Huawei E122 Modem(Huawei E122 usb modem) Specifications

• HSDPA/UMTS (2100MHz)
• GSM/GPRS/EDGE (850/900/1800/1900MHz)
• Support 7.2Mbps HSDPA services
• MicroSD Card Slot
• Support PC voice (optional) and SMS services
• Support data statistics
• Plug & Play
• Support Windows 2000/XP/Vista and Mac Operating Systems