N20 Demo Board User GuideCopyright © Neoway Technology Co., Ltd 12 Board InterfacesThe following table lists the interfaces of N20 demo board.Interface Function5 V power supply Main power supply input, 3.3 V to 4.2 V5 V power supply switchPull it to DC5V side to supply power if a DC adapter is used; pull it toUSB5V side to supply power if the board is supplied power throughUSB.SIM Normal SIM card connectorUART0 Used to commission AT commandsUART1 Not supportedAntenna Main antenna and GPS antennaPWRKEY button After supplying power to the module, hold this button for 1 second topower up the moduleRESET button Hardware resetUSB Used to supply power and transmit data & firmware upgradeUSB_BOOT Force the module to enter download mode

Overview

Board Interfaces

Connections

Power Supply

Commissioning

Commissioning Via USB

Material List

Neoway N20 User Manual

Boot LOG Instruction

General Commands

Querying Signal Quality: +CSQ

Querying the Network Registration Status: +CREG

Querying EPS Network Registration Status: +CEREG

Querying the IMSI: +CIMI

Querying IMEI: +CGSN

Querying the Module Model: +CGMM

Setting the Baud Rate of the Module: +IPR

Activating Multiplexing Mode: +CMUX

Clock: +CCLK

Enabling PIN and Querying MT and Network Device: +CLCK

Modifying the Password of the PIN: +CPWD

Defining PDP Context: +CGDCONT

PDP Authentication: +XGAUTH

Enabling & Disabling the Terminal Display: ATE1/ATE0

GPRS Dialing Command: ATD*99

SMS Commands

Setting Preferred SMS Storage: +CPMS

Setting SMS Inputting Mode: +CMGF

Setting the TE Character Set: +CSCS

Setting the SMS Indication Mode: +CNMI

Reading SMS Messages: +CMGR

SMS Message List: +CMGL

Sending SMS Messages: +CMGS

Writing SMS Messages: +CMGW

Sending Messages from Storage: +CMSS

Deleting SMS Messages: +CMGD

Setting the SMS Center Number: +CSCA

Displaying the Parameters of the Text Mode: +CSDH

Save Settings: +CSAS

TCP/UDP Client Commands

Setting Receive Mode: +RECVMODE

Setting Up TCP Link: +TCPSETUP

Sending TCP Data: +TCPSEND

Receiving TCP Data: +TCPRECV

Closing TCP Link: +TCPCLOSE

Sending UDP Data: +UDPSEND

Receiving UDP Data: +UDPRECV

Reading UDP Data: +UDPREAD

Querying TCP/UDP Link Status: +IPSTATUS

TCP Server AT Commands

Closing the Listening Connection: +CLOSELISTEN

Receiving Data from the Client: +TCPRECV(S)

Querying the Connection Status on the Client: +CLIENTSTATUS

Querying the Status of Data Sent by the TCP Link: +TCPACK

Transparent TCP/UDP Commands

Setting Up Transparent UDP Link: +UDPTRANS

TCP Transparent Server Commands

Querying the Link Status on the Client: +CLIENTSTATUS

FTP AT Commands

Logging Out from the FTP Server: +FTPLOGOUT

Uploading Data to the FTP Server: +FTPPUT

Querying FTP Link Status: +FTPSTATUS

HTTP Commands

Setting Up HTTP Link:+HTTPSETUP

Closing HTTP Link: +HTTPCLOSE

HTTP Link Closing: +HTTPCLOSED

HTTPS Commands

HTTPS Request: +HTTPSACTION

Closing HTTPS Link: +HTTPSCLOSE

HTTPS Link Closed Report: +HTTPSCLOSED

GPS AT Commands

Obtaining NMEA Data: $MYGPSPOS

Setting APN of AGPS: +AGPSOPEN

Setting AGPS Server: +AGPSSETSERVER

PSM&eDRX Commands

Setting eDRX Mode: +CEDRXS

MQTT Command

Connection Command: +MQTTCONN

Unsubscription: +MQTTUNSUB

Publishing Topic: +MQTTPUBS

Querying the MQTT Connection Status: +MQTTSTATE

Ali MQTT Command

Configuring MQTT Connection Parameters: +CLOUDCONN

PUBLISH Data: +CLOUDPUBLISH+PUBLISHDEFAULT

Publishing Messages: +CLOUDSUB

Unsubscribing: +CLOUDUNSUB

Disconnecting to the MQTT Server: +CLOUDDISCONN

AWS MQTT Commands

Setting User Parameters: +AWSAUTHPARAM

Connection Command: +AWSCONN

Receiving Topic Content: +AWSSUBRECV

Unsubscribing to Topic: +AWSUNSUB

Querying MQTT Status: +AWSSTATE

Other AT Commands

Obtaining the Version Information of the Module: $MYGMR

Obtaining the CCID of the SIM Card: $MYCCID

Setting Network Mode: +NETCFG

Querying Network State: +NETSTATE