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Generations of Mobile Communication

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  • First Generation (1G): Original analog mobile phone technology
  • Second Generation (2G): Voice-centric digital systems with increased coverage and capacity and messaging
  • Third Generation Transitional (2.5G): Stepping stone to 3G with always-on network connections and bandwidths up to 170 Kbps allowing better Internet browsing, email, and some audio and video; GPRS has been the dominant technology
  • Third Generation (3G)/Fourth Generation (4G): Bandwidths up to 2Mbps and 200 Mbps respectively for high-end services such as video teleconferencing.
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