Cellphone

History of Wireless Cell Technology

By SIC91006
  • 1g

    1g

    First introduced by Nippon Telephone and telegraph to the citizens of Tokyo
  • 2g

    2g

    Launched on the Global System for Mobile communications in Finland.
  • 3g

    3g

    By NTT DoCoMo, for Japan citizens.
  • 4g

    4g

    Introduced for commercial use in Norway.
  • 5g

    5g

    South Korea was the 1st country. The 5th generation was rolled out by KT, LG Uplus, and SK Telecom.