https://devzone.nordicsemi.com/f/nordic-q-a/21829/does-tx-power-decreases-with-decreasing-battery-lifeAfter some search I found that accepted values for tx power are -40, -30, -20, -16, -12, -8, -4, 0, and 4 dBm. So my questions are once I set the tx power using &quot;sd_ble_gap_tx_power_set()&quot; function then tx power remains same until the batteryen-USTelligent Community 13Fri, 05 May 2017 10:39:28 GMThttps://devzone.nordicsemi.com/thread/85740?ContentTypeID=1Fri, 05 May 2017 10:39:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ffb9b029-f9f9-412e-8ec2-6c6b5eb6f87eAns Hafeez<p>Thanks.....</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/85739?ContentTypeID=1Fri, 05 May 2017 08:51:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4ce41b0a-6ba3-4e61-988d-1b2efdc0c177Petter Myhre<ol> <li>It remains the same.</li> <li>It is not.</li> <li>No.</li> </ol><div style="clear:both;"></div>