How does BLE survive with interference in 2.4GHz band?

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How does BLE survive with interference in 2.4GHz band?

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kelvinleung
NXP Employee
NXP Employee

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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