https://devzone.nordicsemi.com/f/nordic-q-a/56362/esb-rssi-on-ackIs it possible to get the RSSI on the ACK coming from the PRX back to the PTX? To clarify -- I mean the &quot;empty&quot; ACK with no special payload.en-USTelligent Community 13Thu, 09 Jan 2020 23:32:47 GMThttps://devzone.nordicsemi.com/thread/228443?ContentTypeID=1Thu, 09 Jan 2020 23:32:47 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3ec11662-b2dc-42ff-9f0a-584d6805a87bDamonKelly<p>Kenneth, that seems to work.</p> <p>Are there any particular details to be aware of (timing, etc...), or is that all taken care of by the ESB driver and Radio HW?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/228432?ContentTypeID=1Thu, 09 Jan 2020 19:09:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f5036c6e-02c0-49e2-b1b2-3a4b1a48d1c8Kenneth<p>Looks to me like RADIO_SHORTS_ADDRESS_RSSISTART_Msk is already enabled, so it should in theory be to read&nbsp;NRF_RADIO-&gt;RSSISAMPLE on&nbsp;NRF_ESB_EVENT_TX_SUCCESS in nrf_esb_event_handler().</p><div style="clear:both;"></div>