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WIRELESS GENERATION EVOLUTION, MIND MAP GROUP 4, 1) LAVEN RAJ A/L…

- - - - High speed, all IP based protocols
      - Bigger battery usage
      - Frequency: 2-8 GHz
      - Mobile multimedia, can use anywhere
      - From 2010 to 2020
- - - - Bandwidth: Analog telecommunication
      - First wireless communication
      - Frequency: 150MHz / 900MHz
      - Bad voice quality, poor battery, big cellphones
      - From 1980 to 1990
- - - - Digital broadband, increase speed
      - CDMA, UMTS, EDGE
      - Frequency: 1.6 - 2.0 GHz
      - Called smartphone, video calls, fast communication
      - From 2000 to 2010
- - - - Frequency: 1.8GHz (900MHz)
      - Digital
      - Allow text message service
      - Signal must be strong
      - From 1990 to 2000
- - - - Faster data transmission
      - Efficients
      - High speed and capacity
      - Interactive multimedia, voice streaming
      - From 2020 till now