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LPWA Module Series

BG96 TCP/IP Application Note

BG96_TCP/IP_Application_Note 10 / 52

2 TCP/IP AT Commands

2.1. AT Command Syntax

2.1.1. Definitions

 <CR> Carriage return character.

 <LF> Line feed character.

 <...> Parameter name. Angle brackets do not appear on command line.

 [...] Optional parameter of a command or an optional part of TA information response.

Square brackets do not appear on command line. When an optional parameter is

omitted, the new value equals its previous value or its default setting, unless otherwise

specified.

 Underline Default setting of a parameter.

2.1.2. AT Command Syntax

The AT or at prefix must be added at the beginning of each command line. Entering <CR> will terminate a

command line. Commands are usually followed by a response that includes

<CR><LF><response><CR><LF>. Throughout this document, only the response <response> will be

presented, <CR><LF> are omitted intentionally.

Table 1: Type of AT Commands and Responses

Test Command

AT+<cmd>=?

This command returns the list of parameters and value

ranges set by the corresponding Write Command or

internal processes.

Read Command

AT+<cmd>?

This command returns the currently set value of the

parameter or parameters.

Write Command

AT+<cmd>=<p1>

[,<p2>[,<p3>[...]]]

This command sets the user-definable parameter values.

Execution Command

AT+<cmd>

This command reads non-variable parameters affected

by internal processes in the module.

Quectel BG96 TCP/IP User Manual

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