GSMArena.com - The ultimate resource for GSM handset information
GSMArena.com - The ultimate resource for GSM handset information.
GSM - Wikipedia
The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation (2G)...
What does GSM mean in a cell phone? | HowStuffWorks
The GSM system uses TDMA to split a frequency into time slots. Probably the most useful thing to know about the Global System for Mobile communications (GSM) is that it is an international standard.
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What is GSM? (with pictures)
GSM, or Global System for Mobile Communications, is a cellular phone protocol that is standard in most parts of the world. GSM phones use subscriber identity module (SIM) cards, which is essential to...