minicom -D /dev/ttyUSB2
AT$QCRMCALL=1,1
Allocate IP
apt-get install udhcpc
udhcpc -i wwan0
Now you can use 4G network
If you get dns error, please fix it by this command
route add -net 0.0.0.0 wwan0
Resources
SIM7600X 4G for Jetson Nano Schematic
Related Instruction
Raspberry Pi networked via RNDIS
Setup wwan0 interface for 4G network
Tools
sscom (with sim7600 AT commands)
SIM7600 Related
Datasheets