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Evolution of Mobile Networks: From 1G to 5G

A Digital Revolution in Connectivity

1G – The Dawn of Mobile Communication

  • Launched in 1979 and first presented in Tokyo.
  • Covered all of Japan until 1984.
  • Only voice calls were possible.
  • World's first SMS sent in 1992.

2G – Global System for Mobile Communication (GSM)

  • Introduced in 1991.
  • Encrypted calls for improved security.
  • SMS and MMS enabled data transfer.
  • Data speeds of up to 64 Kbps.

3G – The Mobile Internet Era

  • Implemented in Japan in 2001.
  • Introduced mobile Internet browsing.
  • Ko and SMS services extended.
  • Data transfer speeds up to 2 Mbps.

4G – Long Term Evolution (LTE)

  • First implemented in Sweden and Norway in 2009.
  • High-quality video streaming and fast mobile Internet access.
  • Data speeds up to 1 Gbps for fixed users.
  • Latency between 10-30 milliseconds.

5G – The Future of Connectivity

  • First implemented in South Korea in 2019.
  • Speeds ranging from 60 Mbps to 1000 Mbps.
  • Faster downloads and lower latency (<2 milliseconds).
  • Supports 10 times more devices per square kilometer than 4G.

5G – Beyond Mobile Internet

  • Revolutionizing industries through digital transformation.
  • Enabling automation in various sectors.
  • Supporting technologies like AI, IoT, and blockchain.
  • Society-wide impact on healthcare, transportation, and more.

5G Speeds around the World

  • South Korea: Average download speed of 360 Mbps.
  • Taiwan: Average download speed of 309.9 Mbps.
  • United Arab Emirates: Average download speed of 269 Mbps.

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