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{| class="wikitable"
! Time period !! Cellular network generation !! Development summary !! More details|-| 1979–1991 || {{w|1G}} || Exclusive period of the first generation of wireless cellular technology. |-| 1991–1998 || {{w|2G}} || |-| 1998–2009 || {{w|3G}} |||-| 2009–2019 || {{w|4G}} || |-| 2019 onwards || {{w|5G}} || 5G is first deployed in {{w|SouthKorea}}.
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