E11550 USB Modem run with speed: 3.6 Mbps downlink and 2 Mbpsuplink.This E1550 also supports Micro SD < up to 32GB> whichcan help you to keep more things,meanwhile can act as a USB memorydevice also

Specification:

• Type: modem USB
• Frequency (3G): UMTS/HSDPA/HSUPA 2100 MHz lub 2100/1900/850MHz
• Frequency (2G): GSM/GPRS/EDGE 850/900/1800/1900 MHz
• Speed: 3.6 Mbps downlink, 2 Mbps uplink
• Interface: USB 2.0 High Speed
• Features: 71×26×12,5 mm
• Weight: 30 g
• Receive Diversity: No
• Micro SD slot: yes (up to 32 GB)
• Equalizer: Yes
• Compatible with Windows 2000 SP4/XP SP3/Vista SP2/Vista/7; MacOS X 10.4, 10.5, 10.6; Linux: Ubuntu 8.10/9.04/7.10, openSuse11.1/11.0/10.3, Fedora 10/9/7, Debian 5.0/4.0, Xandros 4.2, Linpus1.0.15E, Mandriva 2009.1/2008.1, Red Flag 7.0/6.0

Huawei E1550 USB modem3.6Mbps