Neoway N75 Owner's manual

AT Command Manual

Issue 1.0 Date 2020-01-20

N75 AT Command Manual

Copyright

i

No part of this document may be reproduced or transmitted in any form or by any means without prior written

consent of Neoway Technology Co., Ltd.

is the trademark of Neoway Technology Co., Ltd.

All other trademarks and trade names mentioned in this document are the property of their respective

holders.

Notice

This document provides guide for users to use N75.

This document is intended for system engineers (SEs), development engineers, and test engineers.

THIS GUIDE PROVIDES INSTRUCTIONS FOR CUSTOMERS TO DESIGN THEIR APPLICATIONS.

PLEASE FOLLOW THE RULES AND PARAMETERS IN THIS GUIDE TO DESIGN AND COMMISSION.

NEOWAY WILL NOT TAKE ANY RESPONSIBILITY OF BODILY HURT OR ASSET LOSS CAUSED BY

IMPROPER OPERATIONS.

THE INFORMATION IN THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE DUE TO

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OF THE CONTENTS, BUT ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS

DOCUMENT DO NOT CONSTITUTE A WARRANTY OF ANY KIND, EXPRESS OR IMPLIED.

Neoway provides customers complete technical support. If you have any question, please contact your

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N75 AT Command Manual 
Table  of  Contents 
 
Copyright © Neoway Technology Co., Ltd 
ii 
 
Contents 
About This Document ...................................................................................vi 
Boot LOG Instruction .................................................................................... 1 
AT Syntax................................................................................................... 2 
1 Symbols ........................................................................................................................................ 2 
2 Description ................................................................................................................................... 2 
3 Command Types .......................................................................................................................... 3 
General Commands .................................................................................. 4 
1 ATI-Querying the Manufacturer Information ................................................................................ 4 
2 AT+GMR - Querying Firmware Version ...................................................................................... 5 
3 AT+CSQ–Querying Signal Quality .............................................................................................. 5 
4 AT+CREG–Querying Network Registration Status .................................................................... 6 
5 AT+CEREG–Querying EPS Network Registration Status .......................................................... 8 
6 AT+COPS–Selecting and Registering a Network ....................................................................... 9 
7 AT+CIMI–Querying the IMSI ...................................................................................................... 11 
8 AT+CGSN–Querying IMEI ........................................................................................................ 12 
9 AT+GSN–Querying IMEI ........................................................................................................... 13 
10 AT+CCID–Obtaining ICCID of SIM Card ................................................................................ 13 
11 AT+CGMM–Querying the Module Model ................................................................................ 14 
12 AT+GMM–Querying the Module Model .................................................................................. 15 
13 AT+IPR–Setting Baud Rate .................................................................................................... 15 
14 AT+CFUN–Setting Module Functionality ................................................................................ 16 
15 AT+CCLK–Clock ..................................................................................................................... 18 
16 AT+CPIN–Entering PIN Code ................................................................................................. 19 
17 AT+CLCK–Locking/Unlocing Module ..................................................................................... 20 
18 AT+CPWD–Modifying Password ............................................................................................ 21 
19 AT+CGDCONT–Defining PDP Context .................................................................................. 22 
20 AT+CGATT–Setting GPRS Attach and Detach ...................................................................... 24 
21 ATE1/ATE0–Enabling & Disabling the Terminal Display ........................................................ 25 
22 ATD*99#–GPRS Dialing Command ........................................................................................ 26 
23 ^SYSCONFIG–Setting System Configurations ...................................................................... 27 
24 ^SYSINFO–Obtaining System Information ............................................................................ 28 
25 AT+CMEE–Controlling Display of Error Messages ................................................................ 30 
SMS Commands ..................................................................................... 32 
1 AT+CSMS–Selecting SMS Services ........................................................................................ 32 
2 AT+CPMS–Setting Preferred SMS Storage ............................................................................. 33 
3 AT+CMGF–Setting SMS Inputting Mode .................................................................................. 34 

 
N75 AT Command Manual 
Table  of  Contents 
 
Copyright © Neoway Technology Co., Ltd 
iii 
 
4 AT+CSCS–Setting the TE Character Set ................................................................................. 35 
5 AT+CNMI–Setting SMS Indication Mode .................................................................................. 36 
6 AT+CMGR–Reading SMS Messages ....................................................................................... 38 
7 AT+CMGL–SMS Message List ................................................................................................. 41 
8 AT+CMGS–Sending SMS Messages ....................................................................................... 44 
9 AT+CMGW–Writing SMS Messages ........................................................................................ 45 
10 AT+CMSS–Sending Messages from Storage ........................................................................ 47 
11 AT+CMGD–Deleting SMS Messages ..................................................................................... 48 
12 AT+CSCA–Setting SMS Center Number ................................................................................ 49 
13 AT+CSMP–Setting Text Mode Parameters ............................................................................ 49 
14 AT+CSDH–Displaying the Parameters of the Text Mode ....................................................... 52 
15 AT+CSAS–Save Settings ....................................................................................................... 53 
Network Connection Commands ............................................................. 55 
1 AT+XGAUTH–PDP Authentication ........................................................................................... 55 
2 AT+NETAPN–Setting Network APN ......................................................................................... 56 
3 AT+XIIC–Setting Up a PPP Link ............................................................................................... 57 
TCP/UDP Client Commands ................................................................... 59 
1 AT+TCPSETUP–Setting Up TCP Connection .......................................................................... 59 
2 AT+TCPSEND–Sending TCP Data .......................................................................................... 60 
3 AT+RECVMODE–Setting Receive Mode ................................................................................. 62 
4 AT+TCPRECV–Unsolicited TCP Data Output .......................................................................... 63 
5 AT+TCPREAD–Reading TCP Data .......................................................................................... 64 
6 AT+TCPCLOSE–Closing TCP Connection .............................................................................. 65 
7 AT+UDPSETUP–Setting Up UDP Connection ......................................................................... 66 
8 AT+UDPSEND–Sending UDP Data ......................................................................................... 67 
9 AT+UDPRECV–Unsolicited UDP Data Ouput .......................................................................... 69 
10 AT+UDPREAD–Reading UDP Data ....................................................................................... 70 
11 AT+UDPCLOSE–Closing UDP Connection ............................................................................ 70 
12 AT+IPSTATUS–Querying TCP/UDP Socket Status ................................................................ 71 
13 AT+TCPACK–Querying Status of Data Sent by TCP Socket ................................................. 72 
14 DNSSERVER–Setting DNS Server ........................................................................................ 73 
15 AT+PDPKEEPALIVE–Setting PDP Keepalive Heartbeat ....................................................... 74 
16 AT+PDPSTATUS–Querying PDP Status ................................................................................ 75 
17 AT+IPINFO–Querying Connection Information ...................................................................... 76 
TCP Server AT Commands ..................................................................... 77 
1 AT+TCPLISTEN–Setting TCP Listening for the Server ............................................................ 77 
2 AT+CLOSELISTEN–Closing Listening Socket ......................................................................... 78 
3 AT+CLOSECLIENT–Closing Remote Socket ........................................................................... 79 
4 AT+TCPRECV(S)–Unsolicited TCP Data Output ..................................................................... 80 
5 AT+TCPREADS–Reading TCP Data ........................................................................................ 80 
6 AT+TCPSENDS–Sending Data to Client .................................................................................. 81 
7 AT+CLIENTSTATUS–Querying Client Connection Status ....................................................... 82 

 
N75 AT Command Manual 
Table  of  Contents 
 
Copyright © Neoway Technology Co., Ltd 
iv 
 
8 AT+TCPACKS–Querying Status of Data Sent by TCP Server ................................................. 83 
Transparent TCP/UDP Commands ......................................................... 85 
1 AT+TCPTRANS–Setting Up Transparent TCP Connection ..................................................... 85 
2 AT+UDPTRANS–Setting Up Transparent UDP Connection .................................................... 86 
3 AT+TCPACK–Querying Status of Data Sent by Transparent TCP Socket ............................... 88 
4 AT+IPSTATUS–Querying TCP/UDP Socket Status .................................................................. 89 
5 AT+TRANSCLOSE–Closing Transparent Socket..................................................................... 90 
Transparent TCP Server Commands ...................................................... 91 
1 AT+TCPSRVTRANS–Setting Listening for Transparent TCP .................................................. 91 
2 AT+CLIENTSTATUS–Querying Socket Status of Client ........................................................... 92 
LBS Command ........................................................................................ 94 
1 AT+CIPGSMLOC–Obtaining the Location of the Module ......................................................... 94 
Time Synchronization Commands ......................................................... 97 
1 AT+UPDATETIME–Updating Time ......................................................................................... 97 
Traffic Statistics Command .................................................................. 100 
1 $MYNETDTS–Traffic Dtatistics ............................................................................................ 100 
Network Sharing Commands ............................................................... 102 
1 AT+APSETPROFILEID–Setting profileID ............................................................................. 102 
2 AT+APNETAPN–Setting APN ............................................................................................... 102 
3 AT+APXIIC–Setting Up Socket ............................................................................................. 103 
Wi-Fi Functions .................................................................................... 105 
1 AT+WIFISWITCH–Enabling Wi-Fi ........................................................................................ 105 
2 AT+WIFIINFO–Querying Wi-Fi Chipset Information ............................................................. 106 
3 AT+WIFIGATEWAY–Querying the Address of the Wi-Fi Gateway ....................................... 107 
4 AT+WIFISSIDSET–Setting SSID .......................................................................................... 107 
5 AT+WIFIAUTH–Setting Authentication Information .............................................................. 108 
6 AT+WIFIBAND–Setting Working Mode and Band ................................................................ 109 
7 AT+WIFILIST–Querying Link Status ...................................................................................... 110 
8 AT+WIFIDHCP–Setting DHCP .............................................................................................. 111 
9 AT+WIFIRESET–Resetting to Factory Settings .................................................................... 112 
10 AT+WIFIMAXSTA–Setting Quantity of Allowed Wi-Fi Connections .................................... 112 
FOTA Command .................................................................................. 114 
1 AT+NEOFOTA–FOTA Command .......................................................................................... 114 
Other AT Commands ........................................................................... 116 
1 AT+NETMSG–Querying Network Registration Information ................................................... 116 
2 AT+SIMCOUNTCTL–Enabling/Disabling Statistics on SIM Card Write ................................ 118 
3 AT+SIMCOUNTREAD–Reading the Statistics on SIM Card Write ....................................... 119 
4 AT+ENPWRSAVE–Enabling or Disabling Sleep Mode ........................................................ 120 
5 AT+NSLEEPCFG–Setting Report Timer .............................................................................. 121 
6 AT+CMUX–Activating Multiplexing Mode ............................................................................. 122 
7 AT+CGEQOS–Setting EPS QoS ........................................................................................... 124 

N75 AT Command Manual

Table of Contents

v

15.8 AT+CPINR–Querying Retries of PIN/PUK ............................................................................ 125

Appendix ................................................................................................ 127

A.1 Content of PDU SMS Messages ............................................................................................. 127

A.2 Flowchart of Sending Text SMS Messages (Through UART) ................................................. 129

A.3 Flowchart of Sending PDU SMS Messages (Through UART) ................................................ 130

Band List ............................................................................................... 131

Error Code ............................................................................................ 133

N75 AT Command Manual

About This Document

vi

About This Document

Scope

This document is applicable to N75 series.

Audience

This document is intended for system engineers (SEs), development engineers, and test engineers.

Change History

Issue

Date

Change

Changed By

1.0

2019-09

Initial draft

Liu Hui

Conventions

Symbol

Indication

This warning symbol means danger. You are in a situation that could cause fatal

device damage or even bodily damage.

Means reader be careful. In this situation, you might perform an action that

could result in module or product damages.

Means note or tips for readers to use the module

Related Documents

Neoway_N75_Datasheet

Neoway_N75_Product_Specifications

N75 AT Command Manual

About This Document

vii

Neoway_N75_HW_User_Guide

Neoway_N75_EVK_User_Guide

N75 AT Command Manual

Boot LOG Instruction

1

Boot LOG Instruction

The UART outputs +PBREADY after the phonebook is available.

If the module is booted in automatic baudrate detection mode, enter AT 10 seconds after the module

is powered on. The module responds with OK if AT is initialized and outputs +PBREADY after the

phonebook is available.

N75 AT Command Manual

Chapter 1 AT Syntax

2

1 AT Syntax

1.1 Symbols

⚫ <CR>: carriage return character

⚫ <LF>: linefeed character

⚫ <..>: parameter name, the angle brackets do not appear in the command line.

⚫ [..]: optional parameter, the square brackets do not appear in the command line.

⚫ : space

1.2 Description

Prefix

AT or at

Command Line

Standard commands, in compliance with 3GPP 27007, 27005 and ITU-T Recommendation V.250.

Extended commands, defined by Neoway

Joint Mark

+ or $, used between the prefix and a command line

Termination Character

<CR>, i.e. 0x0D

N75 AT Command Manual

Chapter 1 AT Syntax

3

Response Syntax

<CR><LF>response<CR><LF>

Response can be one or multiple messages.

Result Syntax

<CR><LF>OK<CR><LF> indicates that a command is executed successfully.

<CR><LF>ERROR<CR><LF> indicates that a command fails to be executed.

For the error codes, see Appendix C.

1.3 Command Types

Type

Syntax

Response

Function

Set

AT+CMD=<VALUE><CR>

Or

<CR><LF>ERROR<CR><LF>

Store a value or

values for later use

Execute

AT+CMD[=<VALUE>]<CR>

[<CR><LF>response]

Or

<CR><LF>ERROR<CR><LF>

Invoke a function of

the module.

Test

AT+CMD=?<CR>

[<CR><LF>response]

Determine the range

of parameter values

or parameter lengths

that are supported

Query

AT+CMD?<CR>

[<CR><LF>response]

Determine the current

value or values

stored

Unsolicited

report

<CR><LF>+CMD:

N/A

Report the status

change and data

receiving

Remarks

Symbols are not displayed in AT commands. All commands comply with the rules in

this chapter.

N75 AT Command Manual

Chapter 2 General Commands

4

2 General Commands

2.1 ATI-Querying the Manufacturer Information

To query the manufacturer information, including manufacturer, model, and version

Format

Type

Command

Response

Execute

ATI<CR>

Timeout

The command times out if the module does not respond in 300 ms.

Parameter

module manufacturer

<module_version>

module model

<soft_version>

software version

Example

ATI

NEOWAY

N75

V001

OK

Manufacturer

Module model

Version

N75 AT Command Manual

Chapter 2 General Commands

5

2.2 AT+GMR - Querying Firmware Version

To query the firmware version

Format

Type

Command

Response

Execute

AT+GMR<CR>

Timeout

The command times out if the module does not respond in 300 ms.

Parameter

firmware version information

Example

AT+GMR

+GMR: N75_D0B0CM_BZ_V001

OK

2.3 AT+CSQ–Querying Signal Quality

To check the receiving signal strength indication (RSSI)

Format

Type

Command

Response

Execute

AT+CSQ<CR>

Timeout

The command times out if the module does not respond in 300 ms.

N75 AT Command Manual

Chapter 2 General Commands

6

Parameter

The following table shows the relationship between the signal and the RSSI.

signal

Rssi

0

<4 or 99

<-107 dBm or unknown

1

<10

<-93dBm

2

<16

<-81 dBm

3

<22

<-69 dBm

4

<28

<-57 dBm

5

>=28

>=-57 dBm

<ber>

0...7

Refer to the value of RXQUAL in the table of GSM 05.08 8.2.4.

99

Not known or not detectable

Example

AT+CSQ

+CSQ: 19,2

OK

2.4 AT+CREG–Querying Network Registration Status

To query the network registration status of the module

Format

Type

Command

Response

Set

AT+CREG=[<n>]<CR>

or

<CR><LF>ERROR<CR><LF>

Query

AT+CREG?<CR>

<CR><LF>+CREG:

Or

<CR><LF>+CREG: <n>,<stat>[,<lac>,<ci>[,<Act>]]

Test

AT+CREG=?<CR>

<CR><LF>+CREG: (range of <n> value supported)

N75 AT Command Manual

Chapter 2 General Commands

7

Unsolicited

report

<CR><LF>+CREG: <stat>[,<lac>,<ci>[,<Act>]]

Timeout

The command times out if the module does not respond in 300 ms.

Parameter

<n>

specifies whether to enable unsolicited result codes for network registration.

0: disable network registration unsolicited result code (default setting).

1: enable network registration unsolicited result code +CREG: <stat>.

2: enable network registration unsolicited result code with location information (Cell ID,

Local ID) +CREG: <stat>[,[<lac>],[<ci>],[<AcT>]]

<stat>

network status

0: not registered, the module is not currently searching an operator to register to

1: registered the home network

2: not registered, but the module is currently trying to attach or searching an operator to

register to

3: registration denied

4. unknown code

5: registered, roaming

<lac>

two-byte location area code in hexadecimal format, string type

<ci>

two-byte cell ID in hexadecimal format, string type

<Act>

the access technology of the serving cell, integer type

0: GSM

1: GSM compact

2: UTRAN

3: GSM w/EGPRS

4: UTRAN w/HSDPA

5: UTRAN w/HSUPA

6: UTRAN w/HSDPA and w/HSUPA

7: E-UTRAN

8: UTRAN w/HSPA+

Example

AT+CREG=1

OK

Enable network registration unsolicited

codes.

AT+CREG?

+CREG: 0,1

Query the network registration status of the

module.

N75 AT Command Manual

Chapter 2 General Commands

8

OK

AT+CREG=?

+CREG: (0-2)

OK

Query the value range of the network

registration status parameter.

2.5 AT+CEREG–Querying EPS Network Registration

Status

To query the EPS network registration status of the module

Format

Type

Command

Response

Set

AT+CEREG=[<n>]<CR>

Or

<CR><LF>ERROR<CR><LF>

Query

AT+CEREG?<CR>

When <n>=1

<CR><LF>+CEREG: <n>,<stat>

When <n>=2

<CR><LF>+CEREG:

<n>,<stat>[,[<tac>],[<ci>],[<AcT>][,,[,[<Active-

Time>],[<Periodic-TAU>]]]]

Test

AT+CEREG=?<CR>

<CR><LF>+CEREG: (range of <n> value

supported)

Unsolicited

report

<CR><LF>+CEREG: <stat>[,[<tac>],[<ci>],[<AcT>][,,[,[<Active-Time>],[<Periodic-

TAU>]]]]<CR><LF>

Timeout

The command times out if the module does not respond in 300 ms.

Parameter

<n>

specifies whether to enable network registration unsolicited result code.

0: disable network registration unsolicited result code (default setting).

1: enable network registration unsolicited result code.

N75 AT Command Manual

Chapter 2 General Commands

9

2: enable network registration and location information (Cell ID, Local ID) unsolicited

result code

4: enable network registration unsolicited result codes containing Active-Time and

Periodic-TAU

<stat>

network status

0: not registered, the module is not currently searching for an operator to register

1: registered to the home network

2: not registered, but the module is currently trying to attach or searching for an operator

to register

3: registration denied

4. Unknown code

5: registered, roaming

<tac>

two-byte tracking area code in hexadecimal format, string type

<ci>

two-byte cell ID in hexadecimal format, string type

<Act>

the access technology of the serving cell, integer type

0: GSM

1: GSM compact

2: UTRAN

3: GSM w/EGPRS

4: UTRAN w/HSDPA

5: UTRAN w/HSUPA

6: UTRAN w/HSDPA and HSUPA

7: E-UTRAN

Example

AT+CEREG?

+CEREG: 0,1

OK

Query the network registration status of the

module.

AT+CEREG=1

OK

Enable network registration unsolicited code.

AT+CEREG=?

+CEREG: (0-2,4)

OK

Query the value range of the network

registration status parameter.

2.6 AT+COPS–Selecting and Registering a Network

To select and register a network

Format

Type

Command

Response

N75 AT Command Manual

Chapter 2 General Commands

10

Set

AT+COPS=[<mode>[,<format>[,<oper>>[,<AcT>]]

]]<CR>

Or

<CR><LF>ERROR<CR><LF>

Query

AT+COPS?<CR>

[,<format>[,<oper>>[,<AcT>]]]]

Test

AT+COPS=?<CR>

<CR><LF>+COPS: (range of

<mode> value supported),(range of

<format> value supported),(range

of <oper> value supported),)range

of <AcT> value supported)

Timeout

The command times out if the module does not respond in 300 ms.

Parameter

<mode>

to set automatic network selection or manual selection

0: automatic selection (ignore the parameter <per>)

1: manual selection

2: deregister from the network

3: set <format> only

4: manual/automatic selection (if the manual selection fails, automatic mode starts)

0: long alphanumeric <oper> (default value)

1: short format alphanumeric <oper>

2: numeric <oper>

<oper>

given in <format>. This field may be in 16-character long alphanumeric format, 8-

characters short alphanumeric format, or 5-character numeric format (MCC/MNC).

<AcT>

indicates the radio access technology and its value can be 0, 1, and 2.

0: GSM

1: GSM compact

2: UTRAN

3: GSM w/EGPRS

4: UTRAN w/HSDPA

5: UTRAN w/HSUPA

6: UTRAN w/HSDPA and HSUPA

7: E-UTRAN

N75 AT Command Manual

Chapter 2 General Commands

11

Example

AT+COPS=0,0

OK

Automatic network selection is enabled.

Long alphanumeric mode.

AT+COPS=0,2

OK

Set to digital mode

AT+COPS?

+COPS: 0,0,"CHINAMOBILE",7

OK

China Mobile

AT+COPS?

+COPS: 0,2,"46000",7

OK

If it is set to digital mode, get the

number 46000

AT+COPS?

+COPS: 0,0,"CHINAUNICOM",7

OK

China Unicom

AT+COPS?

+COPS: 0,2,"46001",7

OK

If it is set to digital mode, then get

the number 46001.

AT+COPS?

+COPS: 0,0,"CHINA TELECOM",9

OK

China Telecom

AT+COPS?

+COPS: 0,2,46011,9

OK

If it is set to digital mode, then get

the number 46001.

AT+COPS=2

OK

Deregister the network.

2.7 AT+CIMI–Querying the IMSI

To query the international mobile subscriber identification (IMSI)

Format

Type

Command

Response

Execute

AT+CIMI<CR>

Or

<CR><LF>ERROR<CR><LF>

Timeout

The command times out if the module does not respond in 300 ms.

N75 AT Command Manual

Chapter 2 General Commands

12

Parameter

<IMSI>

a character string of 15 digits that starts with 3-bits of MCC and 2-bits of MNC.

It is used to authenticate the SIM card.

Example

AT+CIMI

+CIMI: 460020188385503

OK

Obtain the IMSI number.

AT+CIMI

ERROR

Query the IMSI.

No SIM card is installed.

2.8 AT+CGSN–Querying IMEI

To query the International Mobile Equipment Identity (IMEI) of the module

Format

Type

Command

Response

Execute

AT+CGSN<CR>

Timeout

The command times out if the module does not respond in 300 ms.

Parameter

<IMEI>

a character string of 15 digits

On a 3GPP2 network, the code is an 8-digit ESN.

Example

AT+CGSN

+CGSN: 355897043139120

OK

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Neoway N75 Owner's manual

Neoway N75 Owner's manual

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