Hello, I am currently using two Xbee3-24 with zigbee 3.0 protocol: one is configured as coordinator and the other as router. The router is connected via spi to a pic24F microcontroller, I send a message from the pic via spi to the router which will send it via RF to the coordinator. In xctu, I can see that the coordinator has received the message but with a random delay. Each time my program runs, the message arrives at the coordinator after a random delay, the main problem being that this delay can be up to 10 minutes. Any idea why I have this problem. Any advice?