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  IEEE 802.15.4 ZigBee MAC
  ZigBee Stack & Profile
  ZigBee Network Model
  Difference between Bluetooth and ZigBee
  ZigBee Alliance
  ZigBee Qualification
  ZigBee Trend
  Examples of ZigBee Application
  Application Method of ZigBee and Virtual Home Network Structure
  Automation system using ZigBee
  Forecasting
 
ZigBee Network Model

Full Function Device (FFD)
___ Any topology / Network coordinator capable / Talks to any other device
Reduced Function Device (RFD)
___ Limited to being leaf devices / Cannot become a network coordinator / Talks only to a network ___ coordinator / Very simple implementation