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The Read Commands Output table displays all added read commands.
Mobile Diagnostics
Limit mobile module to a specific FREQ or cell
This feature limits the mobile module to a specific FREQ or cell. The following information is required to execute this:
Enter the Type, Name, AT command as shown in the below table, to read current mobile info.
Type Name AT command Show Lines user-defined
nwscanmode
AT+QCFG=[nwscanmode]
2
user-defined
serving_cell
AT+QENG=[servingcell]
2
user-defined
lock_the_cell
AT+QNWLOCK=[common/lte]
2
- The read command output table displays the newly added read commands as shown below:
In the Query Command set the Type to Advanced send command and enter AT+QCFG=[nwscanmode],3 in the AT command to Send.
Note This should be done before locking the LTE cell.
To lock the mobile module to a specified FREQ or cell, in the Query Command, set the Type to Advanced send command, and enter AT+QNWLOCK= [common/lte],2,<EARFCN>,<PCI> in the AT command to Send.
Note This approach locks mobile interface only up to one cell. Insert SIM card before the locking cell procedure.
- Verify whether the "nwscanmode" and "lock the cell" is changed in the Read Commands Output table.