https://devzone.nordicsemi.com/f/nordic-q-a/5826/ant-timeslot-collision-avoidanceI have a system where any two identical devices need to establish a communication between each other, without any prior knowledge of which is master and which is slave. Currently they are both programmed to open a CHANNEL_TYPE_MASTER channel and transmiten-USTelligent Community 13Thu, 12 Mar 2015 14:11:47 GMThttps://devzone.nordicsemi.com/thread/20354?ContentTypeID=1Thu, 12 Mar 2015 14:11:47 GMT137ad170-7792-4731-bb38-c0d22fbe4515:53234da1-a61f-4976-a52f-e2b51f15c549Asbj&#248;rn<p>So you have two units that want to communicate, but they both start up as masters and transmit? They then enter slave/receive mode after? What if one enter receive mode first?</p> <p>Random time between entering transmit mode is a simple efficient way of fixing this issue.</p><div style="clear:both;"></div>