https://devzone.nordicsemi.com/f/nordic-q-a/26537/tx-power-observeI edit the Tx power in ble_app_beacon application (0dbm and 4dbm) using this function and i observing the rssi values in nrfconnect app in mobile.i didn&#39;t find the differences for 0dbm and 4 dbm in mobile app. can u please tell me how can i differentiateen-USTelligent Community 13Fri, 03 Nov 2017 06:39:27 GMThttps://devzone.nordicsemi.com/thread/104400?ContentTypeID=1Fri, 03 Nov 2017 06:39:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f7ac9d27-dcfe-46ac-a9a5-62c61867af06mani<p>Thanks Jakobsen</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/104399?ContentTypeID=1Thu, 02 Nov 2017 14:37:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:36e4c70b-f53c-4997-85e5-7a288f6342e0Joakim Jakobsen<p>Hi Mani!</p> <p>The RSSI (Received Signal Strength Indicator) is just a indication of how strong the signal is, and it might not be such a huge difference between 0 dBm and 4 dBm, specially at close range.</p> <p>When I test it myself, I get a RRSI around 55 dBm for 0 dBm Transmit power, and a RSSI around 50 dBm for 4 dBm.<br /> To be able to see bigger differences in the RSSI values, you can try to change the Transmit power between -20dBm and 4dBm for example.</p> <p>Best regards,<br /> Joakim.</p><div style="clear:both;"></div>