At Command Syntax; Types Of At Commands And Responses - Quectel BG96 Developer's Manual

General AT Commands for the Quectel BG96 module

AT Command syntax

Use the following syntax:
AT+<COMMAND><CR>
where:
•
is in upper or lowercase
AT
•
is a test, read or write command in upper or lower case
<COMMAND>
•
is the end-of-line character marking the end of a command line (alias \r – carriage return)
<CR>
The modem will execute the command line after receiving the end-of-line character.
•
is the line feed, which will move the cursor to the next line
<LF>
This document displays commands only.
AT commands are usually followed by a response that includes:
<CR><LF><RESPONSE><CR><LF>
where is the command response
<RESPONSE>
This document displays responses only.
The response may include:
•
– indicates the command executed with no errors
OK
•
– indicates an invalid command, or that the command line was too long
ERROR

Types of AT Commands and responses

Command Command syntax
type
Test AT+<COMMAND>=?
AT+<COMMAND>?
Read
AT+<COMMAND>=
Write
<parameter>
AT+<COMMAND>
Execute
Eseye-enabled Quectel BG96 module Developer Guide v1.8
after a command is intentionally omitted.
<CR><LF>
is intentionally omitted.
<CR><LF>
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. For example, see CCID – request
unique SIM number (ICCID) on page 57.
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