The bandwidth of Bluetooth Low Energy (BLE) is 80 MHz. BLE utilizes 40 channels within the frequency range of 2400 MHz to 2480 MHz, with a channel spacing of 2 MHz.
Bluetooth LE Bandwidth Details
Here's a breakdown of the bandwidth characteristics of Bluetooth LE:
- Frequency Range: Bluetooth LE operates within the 2.4 GHz ISM (Industrial, Scientific, and Medical) band, specifically from 2400 MHz to 2480 MHz, totaling an 80 MHz bandwidth.
- Channel Allocation: This 80 MHz bandwidth is divided into 40 channels, each spaced 2 MHz apart.
- Channel Types: These channels are categorized as:
- 3 advertising channels used for device discovery and connection establishment.
- 37 data channels utilized for data transfer after a connection is established.
Practical Implications
Understanding the bandwidth and channel allocation of Bluetooth LE is crucial for:
- Network Planning: Optimizing channel selection to minimize interference and maximize throughput.
- Device Design: Ensuring compliance with regulatory requirements and optimizing antenna design for the 2.4 GHz band.
- Troubleshooting: Identifying potential sources of interference and resolving connectivity issues.
