Global System for Mobile Communications
What is Global System for Mobile Communications (or GSM)?
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GSM (that is, Global System for Mobile Communications) is the most admired standard for mobile telephony systems in the globe. The GSM Association, its promoting industry trade organization of mobile phone manufacturers and carriers, estimates that 80 percent of the global mobile market employs the standard. GSM is employed by over 3 billion people across more than 212 countries and territories.
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