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Documentation
3 General
3.1 AT Commands
AT Command | Description |
|---|---|
Attention | |
Manufacturer identification | |
Manufacturer identification | |
Model identification | |
Model identification | |
Software version identification | |
Software version identification | |
Serial number | |
Serial number | |
Identification information | |
Greeting Text |
3.1.1 AT - Attention
Attention command that determines the presence of a Data Communication Equipment (DCE).
Syntax
AT Command | Description |
|---|---|
AT | Attention command. |
3.1.2 AT+CGMI - Manufacturer identification
Read a text string that identifies the manufacturer.
Syntax
AT Command | Description |
|---|---|
AT+CGMI | Read manufacturer text string. |
Response | Description |
|---|---|
<manufacturer> | Successful read response. Note: The manufacturer string is returned without any response prefix. |
Defined values
Parameter | Type | Description |
|---|---|---|
manufacturer | string | Manufacturer (“u-blox”). |
3.1.3 AT+GMI - Manufacturer identification
Read a text string that identifies the manufacturer.
Syntax
AT Command | Description |
|---|---|
AT+GMI | Read manufacturer text string. |
Response | Description |
|---|---|
<manufacturer> | Successful read response. Note: The manufacturer string is returned without any response prefix. |
Defined values
Parameter | Type | Description |
|---|---|---|
manufacturer | string | Manufacturer (“u-blox”). |
3.1.4 AT+CGMM - Model identification
Read a text string that identifies the device model.
Syntax
AT Command | Description |
|---|---|
AT+CGMM | Read device model. |
Response | Description |
|---|---|
<device_model> | Successful read response. Note: The device_model string is returned without any response prefix. |
Defined values
Parameter | Type | Description |
|---|---|---|
device_model | string | Device model |
3.1.5 AT+GMM - Model identification
Read a text string that identifies the device model.
Syntax
AT Command | Description |
|---|---|
AT+GMM | Read device model. |
Response | Description |
|---|---|
<device_model> | Successful read response. Note: The device_model string is returned without any response prefix. |
Defined values
Parameter | Type | Description |
|---|---|---|
device_model | string | Device model |
3.1.6 AT+CGMR - Software version identification
Read a text string that identifies the software version of the module.
Syntax
AT Command | Description |
|---|---|
AT+CGMR | Read software version. |
Response | Description |
|---|---|
<version> | Successful read response. Note: The version string is returned without any response prefix. |
Defined values
Parameter | Type | Description |
|---|---|---|
version | string | Version. |
3.1.7 AT+GMR - Software version identification
Read a text string that identifies the software version of the module.
Syntax
AT Command | Description |
|---|---|
AT+GMR | Read software version. |
Response | Description |
|---|---|
<version> | Successful read response. Note: The version string is returned without any response prefix. |
Defined values
Parameter | Type | Description |
|---|---|---|
version | string | Version. |
3.1.8 AT+CGSN - Serial number
Read the product serial number.
Syntax
AT Command | Description |
|---|---|
AT+CGSN | Read serial number. |
Response | Description |
|---|---|
<serial_number> | Successful read response. Note: The serial_number string is returned without any response prefix. |
Defined values
Parameter | Type | Description |
|---|---|---|
serial_number | string | Serial number. |
3.1.9 AT+GSN - Serial number
Read the product serial number.
Syntax
AT Command | Description |
|---|---|
AT+GSN | Read serial number. |
Response | Description |
|---|---|
<serial_number> | Successful read response. Note: The serial_number string is returned without any response prefix. |
Defined values
Parameter | Type | Description |
|---|---|---|
serial_number | string | Serial number. |
3.1.10 ATI - Identification information
Read identification information.
Syntax
AT Command | Description |
|---|---|
ATI9 | Read identification information. |
ATI10 | Read MCU ID. |
ATI0 | Read type code. |
Response | Description |
|---|---|
<application_version>,<unique_identifier> | Successful read response. Note: The application_version and unique_identifier strings are returned without any response prefix. |
<mcu_id> | Successful read response. Note: The mcu_id string is returned without any response prefix. |
<type_code> | Successful read response. Note: The type_code string is returned without any response prefix. |
Defined values
Parameter | Type | Description |
|---|---|---|
application_version | string | Application version. |
unique_identifier | string | Unique identifier. |
mcu_id | string | Two byte hex string representing the MCU ID. |
type_code | string | Type code for the module. |
3.1.11 AT+CSGT - Greeting Text
Configures and activates/deactivates the greeting text.
The configuration change in the greeting text will be applied at the subsequent boot.
When active, the greeting text is sent at boot once. The default greeting text is +STARTUP.
Syntax
AT Command | Description |
|---|---|
AT+CSGT=<greeting_mode>[,<text>] | |
AT+CSGT? | Read the greeting text. |
Response | Description |
|---|---|
+CSGT:<greeting_mode>,<text> | Successful read response. |
Defined values
Parameter | Type | Description |
|---|---|---|
greeting_mode | enumerator | Valid values: 0: Turn off the greeting text. 1: Turn on the greeting text. |
text | string | The greeting text. Note: Can not be an empty string. Valid length: 1..49 |
Last updated: 04 March 2025
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