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Quectel BC26 User Manual

Quectel BC26
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NB-IoT Module Series
BC26 AT Commands Manual
BC26_AT_Commands_Manual 7 / 73
1 Introduction
1.1. Scope of the Document
This document gives details of the AT Command Set supported by Quectel NB-IoT BC26 module.
1.2. AT Command Syntax
The “AT or “at” prefix must be set at the beginning of each command line. To terminate a command line
enter <CR>. Commands are usually followed by a response that includes
<CR><LF><response><CR><LF>”. Throughout this document, only the responses are presented,
<CR><LF>” are omitted intentionally.
The AT Commands Set implemented by BC26 is a combination of 3GPP TS 27.005, 3GPP TS 27.007
and ITU-T recommendation V.250 as well as the AT Commands developed by Quectel.
All these AT commands can be split into three categories syntactically: basic”, S parameter, and
extended”. They are listed as follows:
Basic syntax
These AT commands have the format of “AT<x><n>”, or AT&<x><n>”, where <x>is the command, and
<n> is/are the argument(s) for that command. An example of this is ATE<n>”, which tells the DCE
whether received characters should be echoed back to the DTE according to the value of <n>”.<n>” is
optional and a default will be used if it is missing.
S parameter syntax
These AT commands have the format of “ATS<n>=<m>”, where <n>is the index of the S register to set,
and “<m>” is the value to assign to it. “<m> is optional; if it is missing, then a default value is assigned.
Extended syntax
These commands can be operated in several modes, as following table:

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Quectel BC26 Specifications

General IconGeneral
BrandQuectel
ModelBC26
CategoryControl Unit
LanguageEnglish

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