Network Service Commands TRM240
Network Service Commands
AT+COPS Operator Selection
The command returns the current operators and their status, and allows setting automatic or manual network selection.
AT+CREG Network Registration
The Read Command returns the network registration status. The write command sets whether or not to present URC.
AT+CSQ Signal Quality Report
The command indicates the received signal strength <rssi> and the channel bit error rate <ber>.
AT+CPOL Preferred Operator List
The commanded its and queries the list of preferred operators.
AT+COPN Read Operator Names
The command returns the list of operator names from the ME. Each operator code <numericn> that has an alphanumeric equivalent <alphan> in the ME memory is returned.
AT+CTZU Automatic Time Zone Update
The Write Command enables and disables automatic time zone update via NITZ. The configuration is stored to NV automatically.
AT+CTZR Time Zone Reporting
This command controls the time zone reporting of changed event. If reporting is enabled, the MT returns the unsolicited result code +CTZV: <tz> or +CTZE: <tz>,<dst>, whenever the time zone is changed. The configuration is stored to NV automatically.
AT+QLTS Obtain the Latest Time SynchronizedThrough Network
The command is used to obtain the latest time synchronized through network.
AT+QNWINFO Query Network Information
The command indicates network information such as access technology selected, the operator and the band selected.