I do have a problem to register an Axioma QALCOSONIC E3 with OTAA (Lora Version 1.0.2).
When I try to use my private Chirpstack server running on a private server,
I do get a MIC Failed whenever a join-request occurs (tried MSB and LSB).
On TTN I do not see the JoinRequest at all - maybe because I do not have a gateway connected and the next gateway is too far away. But I can connect an ADEUNIS fieldtester without problems.
So maybe somebody has the same device up and running and can help me to find the problem.
Any help appreciated.
Living in the Stuttgart area btw