What is GSM?
'''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 phone|mobile phones]] and [[Tablet computer|tablets.]]<ref>{{Cite web|title=What Is GSM? The Global System for Mobile Communication Explained|url=https://www.emnify.com/en/resources/gsm|access-date=2021-07-31|website=www.emnify.com|language=en}}</ref><ref>{{Cite web|title=Global System for Mobile Communication - an overview {{!}} ScienceDirect Topics|url=https://www.sciencedirect.com/topics/computer-science/global-system-for-mobile-communication|access-date=2021-07-31|website=www.sciencedirect.com}}</ref> ==History== In 1991, GSM was deployed in [[Finland]]. By the mid-2010s, it became everywhere for mobile communications.<ref>{{Cite web|title=What is GSM (Global System for Mobile communication)?|url=https://searchmobilecomputing.techtarget.com/definition/GSM|access-date=2021-07-31|website=SearchMobileComputing|language=en}}</ref> == References == {{reflist}} [[Category:1991 establishments in Europe]] [[Category:Telecommunications]] {{tech-stub}}