XBee pro s2b and XBee peo s2c communication

Hi! I’m working on a project but it seems that my 2 modules are not communicating.
At first, using test terminals the modules are ok but as the s2b send a message but the s2c are receiving extra unwanted characters. I tried to fix it bit then.
I cannot communicate both of them.

What should i do?

Try restoring to defaults first. Then make sure both are NOT in API mode.

Make sure one of them is configured as the Coordinator.

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Thank you for the answer sir :slight_smile:

Yes. Only One is in API mode and also, only one is set as coordinator.

Are the extra characters coming from the node that is in API mode?