History of Wireless Cell Technology

By iliang

  • 1g

    Launched by Nippon Telegraph and Telephone (NTT) in Tokyo. Coverage was poor and sound quality was low.

  • 2g

    Launched under the GSM standard in Finland. Digital voice calls were significantly clearer with less static and background crackling)

  • 3g

    Launched by NTT DoCoMo. (4 times faster than 2G)

  • 4g

    First deployed in Stockholm, Sweden and Oslo, Norway. (Up to 1 gigabit per second for stationary users)

  • 5g

    Chine became the first to create 5g (20 Gigabits-per-second)