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Modem Emulator - Identification

The AT commands in this section are used for retrieving identification information for the modem.

ATI Identification Information

The ATI command returns identification information about the modem's manufacturer and revision. ATI0 can also be used for this purpose. All other ATIn commands will return an empty string.

CommandPossible Responses
ATI[<n>]<manufacturer> <revision>

Conforms with: Recommendation V.250.

AT+GMI Read Manufacturer Information

The AT+CGMI command returns information about the manufacturer of the phone.

CommandPossible Responses
AT+GMI<manufacturer>

Conforms with: Recommendation V.250.

AT+GMM Read Model Information

AT+GMM Read Model Information

The AT+GMM command is an alias for AT+CGMM.

CommandPossible Responses
AT+GMM<model>

Conforms with: Recommendation V.250.

AT+GMR Read Revision Information

The AT+GMR command is an alias for AT+CGMR.

CommandPossible Responses
AT+GMR<revision>

Conforms with: Recommendation V.250.

AT+GSN Read Model Information

The AT+GSN command is an alias for AT+CGSN.

CommandPossible Responses
AT+GSN<sn>

Conforms with: Recommendation V.250.

AT+CGMI Read Manufacturer Information

The AT+CGMI command is an alias for AT+GMI.

CommandPossible Responses
AT+CGMI<manufacturer>
AT+CGMI=?

Conforms with: 3GPP TS 27.007.

AT+CGMM Read Model Information

The AT+CGMM command returns information about the model of the phone.

CommandPossible Responses
AT+CGMM<model>
AT+CGMM=?

Conforms with: 3GPP TS 27.007.

AT+CGMR Read Revision Information

The AT+CGMR command returns information about the revision of the phone's software.

CommandPossible Responses
AT+CGMR<revision>
AT+CGMR=?

Conforms with: 3GPP TS 27.007.

AT+CGSN Read Product Serial Number

The AT+CGSN command returns information about the serial number of the phone. Note: the return value may be a static string for all phones of a type, so it should not be relied upon to be unique.

CommandPossible Responses
AT+CGSN<sn>
AT+CGSN=?

Conforms with: 3GPP TS 27.007.

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