AT+CFM RAK3172 AT_MODE_NO_SUPPORT?

WisBlock
1

Hello.
Is it possible to disable data transfer confirmation?

2

Yes, with AT+CFM=0, but that works only if you are in LoRaWAN mode.
Your title indicates that you are trying to use the command while in LoRa P2P mode. In LoRa P2P mode there is no packet confirmation.