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tutorial
 Global System for Mobile Communication (GSM)
Global system for mobile communication (GSM) is a globally accepted standard for digital cellular communication.
GSM is the name of a standardization group established in 1982 to create a common European mobile telephone standard that would formulate specifications for a pan-European mobile cellular radio system operating at 900 MHz
preview:
http://www.iec.org/online/tutorials/gsm/
2/26/2004
Tags: gsm
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