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What is the default tx power in nrf52 and How can we change it to other value?

Hi,

In my application,I have written a code based on ble_hrs sample example. When I am checking the RSSI value at the tablet at 2 meter distance I am getting -56dbm. As per my knowledge, RSSI value is determined by the receiver based on the strength of the signal it received and it decreases as the distance between both central and peripheral device increases. Only way to get better strength of signal at receiver is to increase the transmitted power.

So, I want to understand what is the default tx power of the nrf52 when using SDK12.0.0 and S132 soft device. And how can I increase the power level from code? Is it any sample example available for this?

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