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How does BLE survive with interference in 2.4GHz band?

Question asked by Kelvin Leung Employee on Sep 30, 2014

Bluetooth Low Energy is designed from ground up to provide reliable communication link in the crowded 2.4GHz band. The following bullets summarize the design consideration to avoid interference.


3 Advertising Channels

  • Located in Wi-Fi channel gaps
  • 2402, 2426, 2480MHz

Frequency Hopping

  • Short stay in every frequency

High Level Protocol Channel Avoidance

  • Busy channels are “black-listed” and will be avoided

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