https://forum.sierrawireless.com/t/decoding-the-messages-on-the-dm-port-dev-ttyusb0/22174
Decoding the messages on the DM port (/dev/ttyUSB0) - IoT Modules - Sierra Wireless Forum
Nov 20, 2020 - How do I decode the messages generated on the DM port (/dev/ttyUSB0)?