SIM7600CE-T/CE-CNSE 4G Modules

SIM7600E-H 4G HAT mainly applicable in Southeast Asia, West Asia, Europe, Africa

SIM7600E LTE Cat-1 HAT mainly applicable in Southeast Asia, West Asia, Europe, Africa

SIM7600A-H 4G HAT mainly applicable in North America (US, CA)

SIM7600SA-H 4G HAT mainly applicable in Australia, New Zealand, Taiwan, Latin America

SIM7600G-H 4G HAT the global version for Pi

SIM7600G-H 4G for Jetson Nano the global version for Jetson Nano

Primary Attribute Category: Modules, 4G, GPS/GSM, Raspberry Pi {{{userDefinedInfo}}}: {{{userdefinedvalue}}} Brand: Waveshare

Website International: Waveshare website Chinese: 官方中文站点

Onboard Interfaces RPi UART

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Introduction

4G/3G/2G/GSM/GPRS/GNSS HAT for Raspberry Pi, Based on SIM7600X-H

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Features

• 40PIN GPIO extension header for connecting Jetson Nano.
• Supports dial-up, telephone call, SMS, mail, TCP, UDP, DTMF, HTTP, FTP, etc.
• Supports GPS, BeiDou, Glonass, and LBS base station positioning.
• Onboard USB interface, to test AT Commands, get GPS positioning data, and so on.
• Breakout UART control pins, to connect with host boards like Arduino/STM32.
• SIM card slot, supports 1.8V/3V SIM card.
• Onboard 3.5mm audio jack with earphones and mic support, for making telephone calls.
• 2x LED indicators, easy to monitor the working status.
• Onboard voltage translator, the operating voltage can be configured to 3.3V or 5V via jumper.
• Baudrate: 300bps ~ 4Mbps (default: 115200bps).
• Autobauding baudrate: 9600bps ~ 115200bps.
• Control via AT commands (3GPP TS 27.007, 27.005, and V.25TER command set).
• Supports SIM application toolkit: SAT Class 3, GSM 11.14 Release 99, USAT.

Testing

• Insert the SIM card and earphone to the SIM7600X board, if you want to test the TF card slot, you can also insert a TF card to the card slot.
• Connect the USB interface of SIM7600X board to PC.

• The PWR indicator turns on after connecting
• Long-press the PWR button for 1, the NET LED turns on and became flashing after 10s. (If the NET indicator keeps solid, please check if the SIM card is workable)
• Check the Device Manager of PC, the several COM ports will be recognized:

• If the COM ports are recognized with an exclamation symbol, you should install the SIM7600X Driver manually.
• Connect the 4G HAT to Windows PC (Hereafter we use Windows 10 PC as example)）
• Unzip the driver file --> Double-click the exe driver file with the left mouse button --> Select the installation path --> NEXT --> Wait for the installation to complete --> Restart the computer --> Complete the driver installation.
  

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• After installation, all the devices should be recognized normally as below:

【Note】If you want to let the module power on automatically after booting, you can just connect PWR pin to GND and connect P7 pin to GND.

【Note】Reference of indicators

AT commands for testing

AT Command	Description	Return
ATE	ATE1: Echo mode on ATE0: Echo mode off	OK
AT+CGMI	Request manufacturer indentification	OK
AT+CGMM	Request model indentification	OK
AT+CGSN	Request product serial number identification	OK
AT+CSUB	Request porduct version	OK
AT+CGMR	Request firmware version	OK
AT+IPREX	Configure buad rate of model	+IPREX:OK
AT+CRESET	Reset model	OK
AT+CSQ	Query signal quality	OK
AT+CPIN?	Query SIM card status	+CPIN:RRADY
AT+COPS?	Query provider information	+COPS:OK
AT+CREG?	Query network registation status	+CREG: OK
AT+CPSI?	Query UE system information
AT+CNMP	Select Network Mode: 2: Automatic 13: GSM only 38: LTE only 48: Any modes but LTE <nr /> ....	OK

For more information about the AT command, you can refer to AT command manual

Make calls and answer

• Insert the SIM card, connect the LTE antenna and connect the USB interface of SIM7600E-H 4G HAT to PC, Then press the PWRKEY to power on the boardl
• Check whether the indicators blink correctly (PWR's and NET's flashes)
• Send AT commands as bellow:

Commands	Description	Return
AT+CNUM	Phone number (only supported by some SIM cards)	+CNUM OK
AT+CSDVC	AT+CSDVC=1: Handset output AT+CSDVC=3: Speaker output	OK
AT+CLVL=?	Check volume level	OK
AT+CLVL=2	Volume level set to 2	OK
ATD<phone_number>;	Make calls	OK
AT+CHUP	Hang up call	OK
AT+CLIP=1	Phone ring	OK
ATA	Answer call	OK

The hardware configration of the New Version

In the second half of 2021, the SIM7600 series boards will be switched to new versions for shipment. The old and new versions can be used normally and stably. Compared with the old version, the new version has the following changes:

• 1) Newly added 330uF electrolytic capacitor (Stronger voltage stabilization ability)
• 2) Newly added PWR and Flightmode pin jumpers (Automatic power-on function can be set, and the IO port can be customized to control the switch and Flight mode)
• 3) Add solderable pads for VCCIO.(when used with Raspberry Pi, the SIM7600X 4G HAT is soldered at 3.3V working level by default; if you need to use 5V working-level MCU, you can change it to 5V by yourself)
• 4) Add solderable pads for the module USB. (if you don’t want to use a USB adapter cable, you can solder them to the corresponding USB solder joints at the bottom of the Raspberry Pi through some flying cables. This operation should be used with caution by non-professionals)
• 5) The capacitance is changed from the original 10uF/6.3V to 100uF/6.3V (stronger voltage stabilization ability)
• 6) The silkscreen naming is changed from "WPI naming" to "BCM naming"
• 7) Fine-tuning the layout
• 8) Add new solder joints for module Boot to burn the firmware forcibly. Short-circuit the two pads can enter the forced firmware burning mode. (Only used when the firmware cannot be burned normally)

Description of turning on/off the HAT for New Version

• In the new version, PWR and 3V3 are short-circuited by default, so the HAT turned on automatically after connecting to the power supply.
• If you need to use the PWRKEY button to turn on/off the HAT, please remove the jumper cap between PWR and 3V3:
• If you want to use the Raspberry Pi to turn on/off, please set the jumper cap between PWR and D6:

Flight mode description of the New Version

• The new version of the HAT doesn't turn on the Flight mode by default:
• If you need to control the Flight mode through the Raspberry Pi pins, set the jumper cap between Flight and D4:

UART configuration of Raspberry Pi

Since the Raspberry Pi UART serial port is used for terminal debugging by default, if you need to use the serial port, you need to modify the Raspberry Pi settings. Execute the following command to enter the Raspberry Pi configuration:

sudo raspi-config

Choose Interfacing Options -> Serial -> no -> yes to disable Linux's use of console UART:

Open /boot/config.txt file, and find the below statement. If there is no line, you can directly add it at the end of the file.

enable_uart=1

And then reboot the system.

Minicom for UART debugging on Raspberry Pi

1. Insert the module into the Raspberry Pi.
2. Install minicom, minicom is a text-based modem control and terminal emulation program for Linux：

sudo apt-get install minicom

3. Execute command: minicom -D /dev/ttyS0（ttyS0 is the UART of Raspberry Pi 3B）

• Baud rate is 115200 by default. If you need to change the baud rate, for example, 9600, you can add the parameter -b 9600.
• The user UART device of Raspberry Pi 2B/Zero is ttyAMA0, and ttyS0 of Raspberry Pi 3B.
  

4. Take the AT synchronization test as an example, and send related commands, as shown in the picture below:

Minicom can enter the setting mode by pressing Ctrl+A then pressing Z, and selecting X to exit.

Download the demo

1. Insert the module into the Raspberry Pi
2. Download the demo to /home/pi/ directory：

wget https://files.waveshare.com/upload/2/29/SIM7600X-4G-HAT-Demo.7z
sudo apt-get install p7zip-full
7z x SIM7600X-4G-HAT-Demo.7z   -r -o/home/pi
sudo chmod 777 -R /home/pi/SIM7600X-4G-HAT-Demo

3. Enter the bcm2835 directory, compile and install the BCM2835 library:

chmod +x configure && ./configure && sudo make && sudo make install

4. Enter to the corresponding demo directory, compile and run the demo, here we take PhoneCall demo as an example:

sudo make clean          //Clear the original execution file
sudo make              //recompile
sudo ./PhoneCall       //Run the program

Combination command:

sudo make clean && sudo make && sudo ./PhoneCall

PHONECALL demo

SMS message sending and receiving demo

GPS positioning

TCP network communication demo

FTP download and upload demo

Resources

• Manual
• Schematic
• Source code
• SIM7600 Driver
• Dimensions
• 3D Drawing

comparison

Related Instruction

• Raspberry Pi networked via RNDIS
• Raspberry Pi networked via NDIS
• SIM868 PPP Dail-up Networking
• gprs
• GPS positioning under Raspberry Pi

Tools

• sscom (with sim7600 AT commands)
• SIMCom GPS
• NetAssist

SIM7600 Related

Datasheets

• SIM7600X-H SPEC
• SIM7600G-H SPEC
• AT Command Manual_V1.08
• SIM7500_SIM7600 Series_AT Command Manual_V1.12

Application Note

• SIM7X00 Series_GPIO_Application Note
• SIM7X00 Series_SAT_Application Note
• SIM7X00 Series_SMS_Application Note
• SMS Application notes
• SIM7X00 Series_TCPIP_Application Note
• SIM7600 Series_HTTP_AT Command Manual
• SIM7600 Series_SSL_AT Command Manual
• SIM7X00 Series_UART_Application Note
• SIM7X00 Series_GPS_Application Note
• SIM7600 Series_MQTT_ATC
• SIM7X00_Audio_Application_Note
• SIM7600_Sleep Mode_Application Note
• SIM7600 Series_LBS_Application Note
• SIM7600 Series_USB AUDIO_Application Note
• SIM7600 Series_UIM HOT SWAP_Application Note
• SIM7600M22 Series_TTS_Application Note
• SIM7600 Series_HSIC_LAN_Application_Note
• SIM7600 Series Hardware Design
• SIM7600G-H Hardware Design

For More...

FAQ

Question:NET light does not flicker after startup of SIM7600X, what should I do if the network is abnormal?

 Answer:

This situation may not be successfully connected to the network, you can follow the steps below:

Firstly, check the hardware connection, check whether the antenna is properly connected, and check whether the +SIM card can be used to make normal calls and surf the Internet in mobile phones and other devices: After checking the hardware connection, the software can use these instructions:

• Check whether the SIM card is in good contact: AT+CPIN?

• Check if sim card is in good contact: AT+CNMP?

• Check the signal quality of the current environment: AT+CSQ

• Check operator access status: AT+COPS?

• Check networking status: AT+CPSI?

• Check that you have successfully registered to the network: AT+CREG?

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Question:Why the NMEA port of SIM7600E-H can not output after turning on GPS?

 Answer:

If the SIM7600E-H module is a new baseline version, after turning on GPS, there is no data output on the NMEA port; you can output information through the following steps:

AT+CGPSNMEAPORTCFG=3   //set GPS mode to 3 
AT+CRESET             // Restart the module
AT+CGPS=1            // Turn on GPS

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Question:If you register to the network, dial successfully and get IP, but cannot surf the Internet?

 Answer:

APN may not be obtained. Generally, APN can be obtained automatically. In some areas, it needs to be obtained manually. For example, you can set it through the following instruction:

AT+CGDCONT=1, "IP", "CMNET" / / set APN (CMNET is the apn of China Mobile, different operators have different apn)

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