Chapter 4 – General AT Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 13
Chapter 4 – General AT Commands

Manufacturer Identification +CGMI

Description: Displays the manufacturer identification.
Values: No parameters
Syntax: AT+CGMI
Command Possible respo nses
AT+CGMI
Note: Get manufacturer identification
WAVECOM MODEM
OK
Note: Command valid, Wavecom modem

Request Model Identification +CGMM

Description: Displays the supported frequency bands. With multi-band products the response may be a combination
of different bands.
Values: No parameters
Syntax: AT+CGMM
Command Possible responses
AT+CGMM
Note: Get hardware version
MULTIBAND 900E 1800
OK
Note: Multiband: GSM 900 MHz extended band and DCS
1800 (default configuration)
AT+CGMM
Note: Get hardware version 900E
OK
Note: 900 Extended
AT+CGMM
Note: Get hardware version 1800
OK
Note: DCS
AT+CGMM
Note: Get hardware version 1900
OK
Note: PCS
AT+CGMM
Note: Get hardware version G850
OK
Note: GSM 850
AT+CGMM
Note: Get hardware version MULTIBAND G850 1900
OK
Note: Multiband: GSM 850 and PCS

Request Revision Identification +CGMR

Description: Displays the revised software version.
Values: No parameters
Syntax: AT+CGMR
Command Possible responses
AT+CGMR
Note: Get software version
657_09gg.Q2406B 2015268 100506 17:01
OK
Note: Software release 6.57, generated on the 5th of October
2006