Evolution of wireless technologies

• 1st Generation

  • Analog-based, voice only
  • AMPS (Advanced Mobile Phone System)

• 2nd Generation

  • Digital technologies, voice, low-rate data
  • Global System for Mobile (GSM), Code Division Multiple Access (CDMAOne), Time Division Multiple Access (TDMA)

• 2.5 Generation

  • Enhancements to current 2G network
  • General Packet Radio Services (GPRS) and Enhanced Data for GSM Evolution (EDGE)

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