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emailuser...

January 26, 2009 07:57 PM

What is the Difference Between GSM and CDMA?

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jeffhoard

January 26, 2009 08:37 PM

GSM and CDMA are 2 Digital mobile telephony systems.

GSM operates at 900 MHz or 1800 MHz frequency band
CDMA operates on 800-MHz and 1.9-GHz bands

GSM phones also use SIM Cards where CDMA don't
Source(s):
http://searchtelecom.techtarget.com/sDefinition/0,,sid103_gci213842,00.html
http://searchmobilecomputing.techtarget.com/sDefinition/0,,sid40_gci213988,...
http://www.wisegeek.com/what-is-the-difference-between-gsm-and-cdma.htm
http://www.rediff.com/money/2003/mar/11spec.htm

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