User's Manual

CONFIDENTIAL
16
4 AT Commands
AT commands can be accessed from UART port and ACM port.
4.1 Request information commands
4.1.1 AT+CGMI Request manufacture identification
This command gets the manufacture identification
Command Response Value
+CGMI <manufacture>
+CME ERROR: <err>
GCT
+CGMI=?
4.1.2 AT+CGMM Request model identification
This command gets the model identification
Command Response Value
+CGMM <model>
+CME ERROR: <err>
GDM7243R0
+CGMM=?
- <model>: The value will be updated to GDM7243Q in next FW release.
4.1.3 AT+CGMR Request revision identification
This command gets the revision identification
Command Response Value
+CGMR <revision>
+CME ERROR: <err>
FW_VER: 0.2.65.1
+CGMR=?
4.1.4 AT+CGSN Request product serial number identification
This command gets the serial number identification
Command Response Value
+CGSN <sn> IMEI
4.1.5 AT+CSCS Request TE character set
Command Response Value
+CSCS=[<chset>]
+CSCS? +CSCS:<chset>
+CSCS=? +CSCS: (list of supported <chset>s)