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How can i change CC2540 RF Power

Jun Feng Hu
Prodigy 230 points
Other Parts Discussed in Thread: CC2540

Now, i 'd like to change RF power from 0dBm to -6dBm.

But i don't know how to do?

Also i'd like to know which dBm is accept by CC2540, such as 0, -6 or ?

  • 0
    Guru 735685 points

    Have a read to Components\ble\controller\include\ll.h. There are lots of defines and APIs that allow you to do TX power modifications.

  • 0
    Guru 22270 points

    Hello Jun,

    In all the sample projects you can find a xxxapp_HandleKeys routine.  This is used to turn advertising on and off and also to toggle the Tx power level from 0 to -6 dBm.

    The functions are provided so that you can also change the power levels anywhere else in your code.

    Thanks,