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)

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