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802.15.4 Protocol

 

 

  • Data rates of 250 kbps with 10-100 meter range. Support for multiple network topologies such as point-to-point,   point-to-multipoint and mesh networks.
  • Two addressing modes; 16-bit short and 64-bit IEEE addressing.
  • Support for critical latency devices, such as joysticks.
  • CSMA-CA channel access.
  • Automatic network establishment by the coordinator.
  • Fully handshake protocol for transfer reliability.
  • Power management to ensure low power consumption.
  • 16 channels in the 2.4GHz ISM band
  • Low duty cycle - Provides long battery life
  • Low latency
  • Support for multiple network topologies: Static, dynamic, star and mesh
  • Direct Sequence Spread Spectrum (DSSS)
  • Up to 65,000 nodes on a network
  • 128-bit AES encryption for secure data connections

Collision avoidance, retries and acknowledgements



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