AT+QNWCFG Documentation

Hi, can you tell me what these AT commands mean:

image

these commands are not found in the documentation.
Thanks
Luana

AT+QNWCFG=“bearer”,[bearertype],[enable]
bearertype 0 Dedicated bearer
1 Default bearer
enable 0 URC no report and display
1 URC report and display

AT+QNWCFG=“LTEBLER”
BLER stands for block error rate,The specific parameter indicates that it is not found