List Of At Commands - Advantech ER75s User Manual

AT Command Description
AT+CGMM Returns the manufacturer specific model identity
AT+CGMR Returns the manufacturer specific model revision identity
AT+CGPADDR Displays the IP address of the ppp0 interface
AT+CGSN Returns the product serial number
AT+CIMI Returns the International Mobile Subscriber Identity number (IMSI)
AT+CMGD Deletes a message from the location
AT+CMGF Sets the presentation format of short messages
AT+CMGL Lists messages of a certain status from a message storage area
AT+CMGR Reads a message from a message storage area
AT+CMGS Sends a short message from the device to entered tel. number
AT+CMGW Writes a short message to SIM storage
AT+CMSS Sends a message from SIM storage location value
AT+COPS? Identifies the available mobile networks
AT+CPIN Is used to query and enter a PIN code
AT+CPMS Selects SMS memory storage types, to be used for short message
operations
AT+CREG Displays network registration status
AT+CSCA Sets the short message service centre (SMSC) number
AT+CSCS Selects the character set
AT+CSQ Returns the signal strength of the registered network
AT+GMI Returns the manufacturer specific identity
AT+GMM Returns the manufacturer specific model identity
AT+GMR Returns the manufacturer specific model revision identity
AT+GSN Returns the product serial number
ATE Determines whether or not the device echoes characters
ATI Transmits the manufacturer specific information about the device
A detailed description and examples of these AT commands can be found in the applica-
tion note AT commands (see [5]).
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Table 56: List of AT commands
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ER75s