Chapter 3: AT Commands Reference
June 30, 2008 AT Commands Reference Manual 3-3
+CGMR, +GMR, +FMR, Request Revision
These commands request the revision identification. The G24 outputs a string containing the
revision identification information of the software version contained within the device.
Example
AT+CG MR
+CGMR: "G24_G_0C.11.61R"
AT+GM R
+GMR: "G24_G_0C.11.61R"
AT+FM R
+FMR: "G24_G_0C.11.61R"
+CGSN, +GSN, Request Product Serial Number Identification
This command displays the product serial number identification IMEI (International Mobile
Equipment Identification). It can be used even when the SIM card is not inserted.
Command Response/Action
AT+CG MR
AT+C GMR? +CGMR: <revision>
AT+GM R
AT+G MR? +GMR: <revision>
AT+FM R
AT+F MR? +FMR: <revision>
Command Response/Action
AT+CG SN
AT+CG SN? +CGSN: <sn>
+GSN
+GSN? +GSN: <sn>