GSM
standard to describe protocols for second generation digital cellular networks used by mobile phones From Wikipedia, the free encyclopedia
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GSM (Global System for Mobile Communications) is a means of telecommunication produced by the European Institute (ETSI) to develop second-generation (2G) digital that is used by cellular networks used by mobile devices such as mobile phones and tablets.[1][2]
History
In 1991, GSM was deployed in Finland. By the mid-2010s, it became everywhere for mobile communications.[3]
References
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