The +COPS command selects a Public Land Mobile Network (PLMN)
automatically or manually, and reads and searches the current mobile network.v1.0.xv1.1.xv1.2.xv1.3.x
For reference, see 3GPP 27.007 Ch. 7.3.
Set command
The set command selects a mobile network automatically or manually. The command configuration is stored to NVM approximately every 48 hours and when the modem is set to minimum functionality mode with the +CFUN=0 command.
Read command
The read command reads the current mobile network.
Test command
The test command searches the mobile network and returns a list of operators found. If the search is interrupted, the search returns existing results and the list may be incomplete.