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In wireless communication we use the above services to access the internet. What are the differences between the above technologies. I know that there are differences in speeds but I expect some statistical information or technology definition like thing. I mean a good comparison :)
Update :
I am adding the thing I realized..
HSPA is a common term that used to group 2 technologies. HSDPA and HSUPA. They are operated in UMTS networks.
GPRS works in GSM networks
Don't forget EDGE and UMTS. – tsilb – 2009-08-10T04:42:06.123