Involved version:
Bluetooth 4.0 and above versions
Features:
BLE is a low-cost, short-range, and interoperable robust wireless technology that works in the license-free 2.4GHz ISM radio frequency band.
In the case of single-mode, only low-power protocol stacks can be implemented.
In the case of dual mode, the Bluetooth Smart function is integrated into the existing classic Bluetooth controller.
Supplement:
BLE is generally used for wearable devices, external Bluetooth devices, and so on. For example, Xiaomi bracelet, Bluetooth remote control, etc.
Bluetooth 4.0 and above versions
Features:
BLE is a low-cost, short-range, and interoperable robust wireless technology that works in the license-free 2.4GHz ISM radio frequency band.
In the case of single-mode, only low-power protocol stacks can be implemented.
In the case of dual mode, the Bluetooth Smart function is integrated into the existing classic Bluetooth controller.
Supplement:
BLE is generally used for wearable devices, external Bluetooth devices, and so on. For example, Xiaomi bracelet, Bluetooth remote control, etc.