General AT Commands for the
Cinterion® ELS61 Wireless Module
AT commands, or the Hayes command set, are instructions for controlling modules. The commands consist of a series of short text strings for a range of uses, including:
- Configuring a module
- Establishing the module's network connection
- Discovering module and connection status information, to ensure they are working correctly
- Managing the module
- Encrypting and transporting data to and from the module
- Directly accessing the cloud
You can find a full set of the
Cinterion® ELS61-E2 AT Command Set PDF
Your software will need to send test, read and write AT commands to the
Before you begin
Before you use any AT commands on the modem, ensure that it is ready to receive them.
To test that the modem is ready to receive AT commands:
Using a terminal emulator that is connected to your modem, type:
The terminal emulator will return any of the following:
OK – the modem and port are connected and ready to communicate
ERROR – the modem and port cannot communicate. Contact the modem supplier.
Nothing – ensure you have set the correct baud rate in your code. For more information, see
Connecting to the LTE Cat.1-xx click.
AT Command syntax
Use the following syntax:
ATis in upper or lowercase
<COMMAND>is a test, read or write command in upper or lower case
<CR>is the end-of-line character marking the end of a command line (alias \r – carriage return)
The modem will execute the command line after receiving the end-of-line character.
<LF>is the line feed, which will move the cursor to the next line
This document displays commands only.
<CR><LF> after a command is intentionally omitted.
AT commands are usually followed by a response that includes:
where <RESPONSE> is the command response
This document displays responses only. <CR><LF> is intentionally omitted.
The response may include:
- OK – indicates the command executed with no errors
- ERROR – indicates an invalid command, or that the command line was too long
Types of AT Commands and responses
|Command type||Command syntax||Description|
Returns a list of parameters and value ranges set by the corresponding Write command or internal processes.
Returns the currently set value of each parameter.
Sets the user-defined parameter values.
Reads non-variable parameters affected by internal processes in the Eseye-enabled modem.
AT+CSQ useful. For more information, see the Thales AT command set documentation.