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| 1979–1991 || {{w|1G}} || Exclusive period of the first generation of wireless cellular technology, starting with the first commercially automated cellular network launched in {{w|Japan}} by {{w|Nippon Telegraph and Telephone}} (NTT) in 1979. In 1981, the {{w|Nordic Mobile Telephone}} system simultaneously launches in {{w|Denmark}}, {{w|Finland}}, {{w|Norway}} and {{w|Sweden}}.
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| 1991–onwards || {{w|2G}} || Second generation cellular network eralifetime, first commercially launched on the {{w|GSM}} standard in {{w|Finland}} by {{w|Radiolinja}}.
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| 2000–onwards|| {{w|3G}} || Third generation era lifetime of wireless mobile telecommunications technology, starting with the first commercial 3G networks introduced in 2000.<ref>{{Cite web|url=https://www.zdnet.com/article/worlds-first-3g-phone-network-goes-live/|title=World's first 3G phone network goes live|last=Charny|first=Ben|date=2001-10-01|website=ZDNet|language=en|archive-date=2001-10-01|access-date=2019-08-16}}</ref><ref>{{Cite web|url=https://www.theregister.co.uk/2001/10/01/worlds_first_3g_network_live/|title=World's first 3G network live today|last=McCarthy|first=Kieren|date=2001-10-01|website=theregister.co.uk|language=en|access-date=2019-08-16}}</ref><ref>{{Cite web|url=https://www.itu.int/itunews/issue/2003/06/thirdgeneration.html|title=THE EVOLUTION TO 3G MOBILE — STATUS REPORT|date=2003-07-29|website=itu.int|access-date=12 December 2019}}</ref><ref>{{Cite news|url=http://news.bbc.co.uk/2/hi/business/1572372.stm|title=First 3G mobiles launched in Japan|date=2001-10-01|access-date=12 December 2019|language=en-GB}}</ref>
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| 2009–onwards || {{w|4G}} || Fourth generation era lifetime of wireless mobile telecommunications technology, starting with the first-release {{w|Long Term Evolution}} (LTE) standard commercially deployed in {{w|Oslo}} and {{w|Stockholm}} in 2009.
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| 2019 onwards || {{w|5G}} || 5G is first deployed in {{w|South Korea}}, followed by the {{w|United States}}.
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