Information about AT+QNWCFG="rrcstate"

I would like to ask if there are information about the AT+QNWCFG=“rrcstate” command. I know it gives 2 parameters (rat and state). What kind of values are allowed for the two parameters?

Thank you

hello ,could you please tell us your current firmware version, so that we can loop dedicated moderator to support this issue, thanks~