GSM

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Appsheet (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]

In 1991, GSM was deployed in Finland. By the mid-2010s, it became everywhere for mobile communications.^[3]

References

↑ "What Is GSM? The Global System for Mobile Communication Explained". www.emnify.com. Retrieved 2021-07-31.
↑ "Global System for Mobile Communication - an overview | ScienceDirect Topics". www.sciencedirect.com. Retrieved 2021-07-31.
↑ "What is GSM (Global System for Mobile communication)?". SearchMobileComputing. Retrieved 2021-07-31.

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[1] "What Is GSM? The Global System for Mobile Communication Explained". www.emnify.com. Retrieved 2021-07-31.

[2] "Global System for Mobile Communication - an overview | ScienceDirect Topics". www.sciencedirect.com. Retrieved 2021-07-31.

[3] "What is GSM (Global System for Mobile communication)?". SearchMobileComputing. Retrieved 2021-07-31.

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