Waveshare ESP32-S3 SIM7670G 4G LTE Cat-1 Development Board

The Waveshare ESP32-S3-SIM7670G-4G is a feature-rich ESP32 4G development board combining the ESP32-S3R8, SIM7670G LTE Cat-1 cellular module, multi-constellation GNSS, Wi-Fi, Bluetooth LE, OV5640 camera, MicroSD storage, battery support, and solar charging capabilities. It is designed for IoT, remote monitoring, tracking, telemetry, portable networking, and outdoor connected applications.

Description

The Waveshare ESP32-S3 SIM7670G 4G LTE Cat-1 Development Board combines local wireless connectivity, cellular networking, GNSS positioning, camera support, data storage, and portable power features on a single ESP32-S3 development platform.

At its core is the ESP32-S3R8, featuring a dual-core Xtensa 32-bit LX7 processor running at up to 240MHz, along with 512KB SRAM, 384KB ROM, 8MB PSRAM, and 16MB external Flash. The ESP32-S3 also provides integrated 2.4GHz Wi-Fi 802.11 b/g/n and Bluetooth 5 Low Energy connectivity.

Cellular connectivity is provided by the onboard SIMCom SIM7670G, supporting LTE Cat-1 with multi-band LTE-FDD and LTE-TDD operation. The module supports data rates of up to 10Mbps downlink and 5Mbps uplink. It also provides multi-constellation GNSS positioning using GPS, BeiDou, GLONASS, and Galileo.

The V2.0 version supplied by Chip.pk includes an OV5640 camera connected through the onboard 24-pin DVP camera interface.

The board also includes a TF/MicroSD card slot, Nano SIM slot, USB Type-C, GPIO expansion, WS2812B RGB LED, onboard 18650 battery holder, battery monitoring circuitry, USB charging, solar charging support, and configurable DIP switches for controlling several onboard subsystems.

Key Features

• Waveshare ESP32-S3-SIM7670G-4G

• ESP32-S3R8 microcontroller

• Dual-core Xtensa 32-bit LX7 processor

• CPU frequency up to 240MHz

• 8MB PSRAM

• 16MB external Flash

• 512KB SRAM

• 384KB ROM

• Integrated 2.4GHz Wi-Fi

• Bluetooth 5 Low Energy

• SIMCom SIM7670G

• 4G LTE Cat-1 cellular connectivity

• Up to 10Mbps download / 5Mbps upload

• Multi-band LTE-FDD and LTE-TDD support

• GPS / BeiDou / GLONASS / Galileo GNSS

• OV5640 camera included

• 24-pin DVP camera interface

• TF / MicroSD card slot

• Nano SIM card slot

• USB Type-C interface

• 38-pin expansion interface

• 3.3V logic level

• WS2812B RGB LED

• 18650 battery holder

• External 3.7V lithium battery support

• Battery voltage monitoring

• Battery reverse-polarity protection

• USB battery charging

• Solar charging support

• Configurable DIP switches

• LTE and GNSS antenna connectors

• LTE antenna included

• GNSS ceramic antenna included

• Acrylic enclosure included

• Suitable for ESP-IDF and ESP32 development

Technical Specifications

4G LTE Communication Specifications

ESP32-S3 Specifications

The ESP32-S3 platform also integrates hardware security capabilities including encryption acceleration, random number generation, HMAC, and digital-signature hardware.

OV5640 Camera

The Chip.pk V2.0 kit includes an OV5640 camera.

Power & Battery Specifications

Solar Charging

The board includes an onboard solar charging circuit.

Waveshare specifies a default solar configuration intended for approximately 5–6V solar-panel input, with solder-pad settings available for supported higher-voltage panel configurations.

Onboard Interfaces & Resources

• ESP32-S3R8

• SIM7670G LTE Cat-1 module

• W25Q128JVSIQ 16MB external Flash

• Nano SIM card slot

• TF / MicroSD card slot

• 24-pin camera connector

• OV5640 camera

• USB Type-C

• CH343 USB-to-UART

• CH334 USB hub

• FSUSB42UMX USB switching IC

• WS2812B RGB LED

• 38-pin expansion header

• LTE IPEX antenna connector

• GNSS IPEX antenna connector

• ESP32-S3 external Wi-Fi antenna connector

• BOOT button

• RESET button

• 18650 battery holder

• Solar-panel input

• Battery voltage measurement

• Power / network / charging indicators

• Configurable DIP switches

The DIP switches allow control of the camera, USB hub, 4G module, and USB routing.

Network & Software Capabilities

The SIM7670G platform supports networking functions including:

• TCP

• HTTP / HTTPS

• MQTT / MQTTS

• FTP / FTPS

• PPP

• RNDIS

• ECM

Applications / Use Cases

• ESP32 4G IoT projects

• Remote monitoring systems

• GPS / GNSS asset tracking

• Vehicle and fleet tracking prototypes

• Outdoor sensor nodes

• Environmental monitoring

• Smart agriculture

• Industrial IoT

• Remote telemetry

• MQTT sensor gateways

• Cellular data loggers

• Portable 4G Wi-Fi projects

• Battery-powered IoT devices

• Solar-powered monitoring systems

• Image capture and remote camera projects

• Smart-home gateways

• Location-aware IoT devices

• Mobile embedded systems

Compatibility

The board is designed for development with the ESP32-S3 ecosystem and supports ESP-IDF and related ESP32 development workflows.

The SIM7670G provides cellular networking and GNSS functionality, while the ESP32-S3 handles application logic, Wi-Fi, Bluetooth LE, camera processing, storage, and peripheral interfaces.

For cellular operation, a compatible activated Nano SIM with LTE service is required. Network access depends on the supported LTE bands and the bands deployed by the selected mobile operator.

For GNSS operation, the supplied GNSS antenna should be connected and positioned where satellite reception is available.

Package Contents

• 1 × Waveshare ESP32-S3-SIM7670G-4G V2.0 Development Board

• 1 × OV5640 Camera

• 1 × GNSS Ceramic Antenna

• 1 × 4G LTE Antenna with IPEX Connector

• 1 × USB-A to USB-C Cable

• 1 × Acrylic Case Set

• 2 × 20-Pin Headers

• 1 × 2-Pin Terminal

• Screws and standoffs

• Adhesive pads

Buy in Pakistan

Buy the Waveshare ESP32-S3 SIM7670G 4G LTE Cat-1 Development Board in Pakistan from Chip.pk for IoT, GNSS tracking, remote monitoring, telemetry, smart agriculture, cellular networking, and portable connected-device projects.

This ESP32 4G module platform combines SIM7670G LTE Cat-1, ESP32-S3R8, Wi-Fi, Bluetooth LE, GPS/BeiDou/GLONASS/Galileo positioning, OV5640 camera support, MicroSD storage, battery management, and solar charging in one development kit.

FAQs

1. What is the Waveshare ESP32-S3 SIM7670G 4G development board?
It is an ESP32-S3 based IoT development board combining the ESP32-S3R8, SIM7670G LTE Cat-1 cellular module, Wi-Fi, Bluetooth LE, GNSS positioning, OV5640 camera, MicroSD storage, battery management, and solar charging features.

2. Which 4G module is used on this board?
The board uses the SIMCom SIM7670G module with LTE Cat-1 cellular connectivity.

3. What processor and memory does the board have?
It uses the ESP32-S3R8 dual-core Xtensa LX7 processor running at up to 240MHz, with 8MB PSRAM, 16MB external Flash, 512KB SRAM, and 384KB ROM.

4. Does the board support Wi-Fi and Bluetooth?
Yes. The ESP32-S3 provides 2.4GHz Wi-Fi 802.11 b/g/n and Bluetooth 5 Low Energy connectivity.

5. Does the SIM7670G support GNSS positioning?
Yes. It supports GPS, BeiDou, GLONASS, and Galileo satellite positioning systems.

6. What is the maximum LTE Cat-1 data speed?
The SIM7670G supports data rates of up to approximately 10Mbps downlink and 5Mbps uplink under supported network conditions.

7. Is an OV5640 camera included?
Yes. The confirmed Chip.pk V2.0 kit includes an OV5640 camera for use with the onboard DVP camera interface.

8. Does the board have MicroSD and SIM card slots?
Yes. It includes a TF/MicroSD card slot for local storage and a Nano SIM card slot for cellular connectivity. The Nano SIM card itself is not included.

9. Are 4G and GNSS antennas included?
Yes. The Chip.pk kit includes a 4G LTE antenna and a GNSS ceramic antenna.

10. Does this board support a 18650 battery?
Yes. It has an onboard holder for one 18650 lithium battery and also supports an external 3.7–4.2V lithium battery through the VBAT connection. The 18650 battery is not included.

11. Does the board support battery and solar charging?
Yes. It includes onboard lithium-battery charging, battery monitoring and protection circuitry, along with a solar charging interface. The solar panel is not included.

12. Can this board be used for GPS tracking and remote monitoring?
Yes. The combination of LTE Cat-1 and multi-constellation GNSS makes it suitable for asset tracking, vehicle tracking prototypes, telemetry, outdoor monitoring, smart agriculture, and other location-aware IoT projects.

13. Can the SIM7670G board be used with MQTT and other IoT protocols?
Yes. The SIM7670G platform supports networking functions suitable for IoT applications, including MQTT/MQTTS, HTTP/HTTPS, TCP, FTP and related protocols.

14. What hardware version is supplied by Chip.pk?
The confirmed Chip.pk stock is the V2.0 version with the ESP32-S3R8 and OV5640 camera configuration.

15. Where can I buy the Waveshare ESP32-S3 SIM7670G board in Pakistan?
The Waveshare ESP32-S3 SIM7670G 4G LTE Cat-1 Development Board is available from Chip.pk for cellular IoT, GNSS tracking, telemetry, remote monitoring, and embedded development projects.