About Second Generation Technology — 2G Technology | What is Second Generation Technology(2G) | Feature of Second Generation Technology

About Second Generation Technology  — 2G Technology

 Key Feature of Second Generation Technology

• Digital systems
• Utilize/extend “Intelligent Network” concepts
•  Leverage technology to increase capacity
• „ Speech compression; digital signal processing
•  Add new services
•  Improve fraud prevention
•  There are a wide diversity of 2G systems
•  IS-54/ IS-136 North American TDMA; PDC (Japan)
•  DECT and PHS
•  iDEN
•  GSM
• „IS-95 CDMA (cdmaOne)

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