DFRobot SIM7600G-H CAT4 4G LTE Shield for Arduino – 150Mbps 4G, GNSS, SMS & GPRS

The DFRobot SIM7600G-H CAT4 4G LTE Shield for Arduino is designed for projects that need cellular internet connectivity, messaging, voice communication, and satellite positioning. Its standard Arduino shield layout makes it convenient to combine with compatible Arduino development boards. DFRobot specifically lists compatibility with Arduino UNO, Leonardo, Mega, and other main controllers.

The SIM7600G-H supports a wide collection of LTE, WCDMA, and GSM bands. This broad band support makes the shield suitable for many regional cellular networks, although actual service availability always depends on the local operator and SIM card.

For positioning applications, the integrated GNSS system supports GPS, GLONASS, and BeiDou. A suitable GNSS antenna and an unobstructed outdoor environment can improve positioning performance. DFRobot's GPS example uses AT commands to enable GPS and retrieve positioning information.

Features

• SIM7600G-H CAT4 4G LTE communication
• Supports 2G, 3G and 4G cellular networks
• LTE CAT4 up to 150Mbps download and 50Mbps upload
• Broad LTE-TDD and LTE-FDD band support
• WCDMA/HSDPA/HSPA+ support
• GSM/GPRS/EDGE support
• GPS, GLONASS and BeiDou GNSS positioning
• SMS sending and receiving
• Telephone calling and audio functions
• TCP/IP networking
• HTTP/HTTPS and FTP/FTPS support
• DNS and Multi-PDP support
• AT-command control
• Standard Arduino shield pinout
• Power and network status indicators
• Suitable for Arduino UNO, Leonardo, Mega and compatible controllers
• Operating temperature from -40°C to +85°C

Applications

• IoT cellular communication
• Vehicle and fleet tracking
• GPS asset tracking
• Logistics monitoring
• Remote environmental monitoring
• Agricultural telemetry
• Industrial remote monitoring
• Cloud-connected sensor systems
• SMS notification systems
• Mobile data terminals
• Outdoor communication projects
• Arduino 4G/LTE development
• GNSS and cellular learning projects

How to Use

1. Insert a compatible SIM card into the shield.
2. Attach the required cellular and GNSS antennas.
3. Mount the shield on a compatible Arduino controller.
4. Connect an appropriate 5V power source. DFRobot notes that an external power supply is required for proper module operation in its setup procedure.
5. Press the module's Boot/power control as required to start the cellular modem.
6. Allow the module time to register with the cellular network.
7. Select the appropriate serial connection using the available jumper configuration. DFRobot documents D0/D1 and D7/D8 serial options for Arduino setups.
8. Communicate with the modem using AT commands.
9. Configure SMS, calls, TCP/IP, MQTT, HTTP, or other required functions.
10. For GNSS, enable positioning through the appropriate AT command and place the GNSS antenna where it has a clear view of the sky.

Important Notes

• Actual LTE/3G/2G connectivity depends on local carrier support, SIM service, network coverage, and supported frequency bands.
• LTE CAT4 speed ratings are theoretical maximums; real-world speed varies with network conditions, signal quality, carrier configuration, and network load.
• Use an appropriate external power source as recommended for the shield. Cellular transmission can require substantially more power than normal idle operation.
• Connect the appropriate cellular antenna and GNSS antenna before using their respective radio functions.
• GNSS positioning generally performs best outdoors or where the antenna has a clear view of the sky.
• Some Arduino pins are occupied by the shield. DFRobot specifically notes D0, D1, and D12 usage on this board, so check pin allocation before connecting other peripherals.
• The shield includes a module power-control function, so follow the documented startup and shutdown procedure rather than abruptly removing power during active communication.
• Arduino serial communication may require the correct jumper configuration for the selected UART pins.
• A SIM card and appropriate cellular data/voice service are required but are not included.
• Please allow approximately 5% measuring deviation for manual measurements.
• Product images are for illustration only; connector, component, and PCB details may vary slightly between production revisions.

Package Includes

• 1 × SIM7600G-H CAT4 4G (LTE) Shield for Arduino