Differences between version 2 and revision by previous author of GSM.
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Newer page: | version 2 | Last edited on Sunday, August 4, 2002 5:01:52 pm | by PerryLorier | Revert |
Older page: | version 1 | Last edited on Monday, July 15, 2002 9:50:42 pm | by MattBrown | Revert |
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GSM uses a variation of [TDMA] and is the most widely used digital telephone technology. GSM digitizes and compresses data, then sends it down a channel with two other streams of user data, each in its own time slot. It operates at either the 900 MHz or 1800 MHz frequency band.
GSM is the de facto wireless telephone standard in Europe. GSM has over 120 million users worldwide and is available in 120 countries, according to the GSM MoU Association. Since many GSM network operators have roaming agreements with foreign operators, users can often continue to use their mobile phones when they travel to other countries.
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+CategoryProtocols