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Keefe · #1 06-23-2003, 02:43 AM

Short for Global System for Mobile Communications, one of the leading digital cellular systems. GSM uses narrowband TDMA, which allows eight simultaneous calls on the same radio frequency.

GSM was first introduced in 1991. As of the end of 1997, GSM service was available in more than 100 countries and has become the de facto standard in Europe and Asia.

#2 06-23-2003, 03:29 PM

parts of north america as well!!

now that GSM is here, could you also explain CDMA in another thread please?

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