3 in 1 modem+ memory stick+cardreader

Technical specification:
1, USB modem(USB Port)
2, EDGE/GPRS MS Class 10, up to 384.3kbps
3, Built in Antenna
4, Memory Stick/Card reader(USB2.0)

Frequency Bands
1, 900 MHz GSM/GRPS/EDGE GSM Power Class4/EDGE E2
2, 1800/1900MHZ GSM/GPRS/EDGE GSM Power Class1/EDGE E2 (1900MHz-optional)

Operating System: Windows Vista/XP/2000

Environmental Condition
1, operating temperature: -20-60
2, Storage temperature: -40 to 70

Supply voltage: 5.0V
Dimension /weight: 90.6(L)X32.4(W)X9.3mm(H)/22g

Package contents: DHI USB MODEM/Operating CD/Manual