I’m having problems on sending long packages immediatelly after a JOIN. On the first attempt to send the long package, I get a AT_PARAM_ERROR, but sending the same package immediatelly after works fine and the package is received. Here are the commands I’m sending and the responses I get after each:
I guess, on the first packet the LoRaMAC stack is adding additional bytes to the payload and it doesn’t fit into the allowed packet size for your datatrate.