I'm using LTE Cat.1 6 Click with a SIMCom SIM7600SA module on it. ModemManager is giving me some grief with it on BalenaOS 6.5.2.
root@89dd143:/sys/devices/platform/bus@f0000/2850000.serial/driver# udevadm info /dev/ttyS0
P: /devices/platform/bus@f0000/2850000.serial/tty/ttyS0
N: ttyS0
L: 0
E: DEVPATH=/devices/platform/bus@f0000/2850000.serial/tty/ttyS0
E: DEVNAME=/dev/ttyS0
E: MAJOR=4