https://devzone.nordicsemi.com/f/nordic-q-a/32741/background-scanningi used nRF5_SDK_14.1.0_1dda907. ANT protocol : I used ant_background_scanning example. I want to scannig device ID of hrm, bpwrt and bsc. Then choose the device ID for received ant+ packet. What is the function that can stop scanning mode? en-USTelligent Community 13Tue, 27 Mar 2018 09:23:02 GMThttps://devzone.nordicsemi.com/thread/126074?ContentTypeID=1Tue, 27 Mar 2018 09:23:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:77d87dc5-2082-42bd-8a2a-43187cc652e2Kenneth<p>Hi, the number of ANT channels that can be open at any given time is set&nbsp;when calling&nbsp;sd_ant_enable() with&nbsp;ucTotalNumberOfChannels.</p> <p>If one of the channels is a background scanning channel with low priority search, then there is no problem to configure more channels that can be used to track a single device. The procedure to setup a second ANT channel is the same as always by assigning, setting channel ID, network keys, period, frequency,... and finally open channel. You can close and unassign a channel as always, even background scanning channel.</p> <p>&nbsp;</p><div style="clear:both;"></div>