Quectel BC95 User Manual

NB-IoT Module Series
BC95 AT Commands Manual
BC95_AT_Commands_Manual Confidential / Released 54 / 58
7 Examples
7.1. Attach Network
The module can automatically attach network by default in B650 version, which is controlled by
AT+NCONFIG=AUTOCONN,TRUE command. If you want to manually attach the network, please
execute AT+NCONFIG=AUTOCONNECT, FALSE to disable automatic attachment. This value will be
saved to NV and take effect after restarting the module.
The following shows a simple example to manually attach the network.
Neul //Module is powered on, wait for 3 seconds.
OK
AT+CGSN=1 //Query the IMEI number. If only ERROR is returned, you
need to write the IMEI.
+CGSN: 863703030104298
OK
AT+CFUN=1 //Configure the level of functionality in the MT.
OK
AT+CIMI //Query the IMSI and wait for 4 seconds after executing
AT+CFUN=1.
460012345678966
OK
AT+NBAND? //Query the band information, set BC95-CM/B8 to BAND 8,
BC95-SL/B5 to BAND 5, and BC95-VF/B20 to BAND 20.
Execute AT+NBAND=n to set the frequency band. It will take
effect after restart.
+NBAND:8
OK
AT+CGDCONT=1,“IP”,“HUAWEI.COM” //Configuration PDP.
OK
AT+CGATT=1 //Activate the network.
OK
AT+CSQ //Query current signal quality.
+CSQ:31,99
Quectel
Confidential

Quectel BC95 Specifications

General

Brand	Quectel
Model	BC95
Category	Control Unit
Language	English

Summary

About the Document

History

Document revision history and changes.

Introduction

Definitions

Explains AT command syntax elements like CR, LF, brackets.

AT Command Syntax

Details the structure for test, read, set, and execute AT commands.

AT Command Responses

Describes OK, ERROR, and unsolicited result code formats.

3GPP Compliance

States compliance with 3GPP TS 27.007 v13.5.0.

Implementation Status

3GPP Commands

Lists and describes standard 3GPP AT commands.

AT+CGMI Request Manufacturer Identification

AT+CGMM Request Manufacturer Model

AT+CGMR Request Manufacturer Revision

AT+CGSN Request Product Serial Number

AT+CEREG EPS Network Registration Status

AT+CSCON Signalling Connection Status

AT+CLAC List Available Commands

AT+CSQ Get Signal Strength Indicator

AT+CGPADDR Show PDP Addresses

AT+COPS PLMN Selection

AT+CGATT PS Attach or Detach

AT+CIMI Request International Mobile Subscriber Identity

AT+CGDCONT Define PDP Context

AT+CFUN Set Phone Functionality

AT+CMEE Report Mobile Termination Error

Neul Commands

AT+NMGS Neul Send Message Command

Sends messages to the network via the CDP server.

AT+NMGR Neul Get Message Command

Retrieves messages from the CDP server.

AT+NNMI Neul New Message Indications

AT+NSMI Neul Sent Message Indications

AT+NQMGR Neul Query Messages Received

AT+NQMGS Neul Query Messages Sent

AT+NRB Neul Reboot

AT+NCDP Configure and Query CDP Server Settings

AT+NUESTATS Query UE Statistics

AT+NEARFCN Specify Search Frequencies

AT+NSOCR Create Socket

AT+NSOST SendTo Command (UDP Only)

AT+NSORF Receive Command (UDP Only)

AT+NSOCL Close Socket

+NSONMI Socket Message Arrived Indicator (Response Only)

AT+NPING Test IP Network Connectivity To A Remote Host

AT+NBAND Set Supported Bands

AT+NLOGLEVEL Set Debug Logging Level

AT+NCONFIG Configure UE Behaviour

Temporary Commands

AT+NTSETID Set ID

Sets system identities like IMEI or SVN.

Error Values

Examples

Attach Network

Example of manually attaching the module to the network.

CoAP Messages

Example for sending and receiving CoAP messages.

UDP Messages

Example for sending and receiving UDP messages.

Appendix A Reference