frequency
public int frequency
Beeping frequency in Hz. Default value assigned is 0.
The frequency range supported and the behavior when values outside of the range was provided are depended on the actual hardware used for the notification device.
For example, for the current revision of beeper hardware, it approximately supports 400Hz - 4.2KHz.
If a frequency outside this range is specified, the Bluetooth scanner will change the frequency to the closest supported frequency.
For more details, please refer the corresponding device documentation.