THESE ARE NOT REQUIRED FOR SETUP DO NOT SEND THE COMMAND IF YOU ARE UNSURE WHAT IT DOES PLEASE EMAIL YOUR QUESTIONS
Quick write up on the most useful AT Commands
AT commands are a set of instructions used to control a modem or other device that supports the AT command set.
Important AT Commands for carrier band info
Carrier Aggregation
AT+QCAINFO
AT+QENG="servingcell"
note: NOCONN means connection is idle, referring to modems call interface
Signal Metrics
AT+QRSRP
AT+QRSSI
AT+QCSQ
Disable Auto APN
AT+QMBNCFG="AutoSel",0
AT+QMBNCFG="Deactivate"
List ALL Modem Carrier Profiles
AT+QMBNCFG="list"
Reboot Module (modem only without rebooting router
AT+CFUN=1,1