ESP32-S3 SIM7670G 4G Development Board, LTE Cat-1 / WiFi / Bluetooth / GNSS Positioning Support, Global Coverage Multi Band

ESP32-S3 SIM7670G 4G Development Board Powerhouse for IoT Innovation with 4G, WiFi, Bluetooth & Expansion
Unleash your IoT potential with the ESP32-S3 SIM7670G 4G Development Board, a feature-packed, versatile solution designed to accelerate your projects. Whether you’re building smart home systems, outdoor environmental monitors, portable 4G WiFi solutions, or image recognition applications, this board delivers everything you need.
At its Core:

Powerful Processing: The ESP32-S3R2 chip boasts a dual-core Xtensa 32-bit LX7 processor, ample memory (16MB Flash, 2MB PSRAM), and integrated hardware-based security for robust and reliable IoT applications.

Global Connectivity: The SIM7670G Cat-1 cellular module unlocks worldwide 4G coverage, ideal for mobile devices or remote deployments. It also supports GNSS positioning for location-based applications.

Wireless Versatility: Complement your 4G network with integrated WiFi and Bluetooth LE, providing a broad spectrum of connectivity options within your IoT environment.

Flexible and Efficient:

Optimized Power Management: Onboard lithium battery charging, solar charging support, and real-time battery capacity monitoring ensure your projects run smoothly and efficiently, even in off-grid scenarios.

Effortless Expansion: A rich array of interfaces, including a camera interface, TF card slot, USB port, and a 38PIN header, allows you to seamlessly integrate sensors, actuators, and other peripherals.

Developer-Friendly: Get started quickly with our extensive online development resources, detailed manuals, and examples covering 4G portable WiFi, image recognition, and numerous IoT use cases.

Key Applications:

Robust 4G WiFi Hotspot: Share internet connectivity on the go, in the field, or at temporary locations.

Image Recognition & Processing: Implement intelligent image processing applications leveraging the camera interface and the ESP32-Camera framework.

Smart Garden Automation: Remotely monitor soil moisture, light levels, control irrigation systems, and optimize your garden’s environment using MQTT communication.

Cloud-Connected Server Monitoring: Keep an eye on your server’s health with real-time performance metrics sent via MQTT to cloud-based dashboards.

Location-Aware IoT: Design asset tracking, mobile monitoring, or geofencing systems thanks to the integrated GNSS capabilities.

Experience the boundless possibilities of connected IoT development with the ESP32-S3 SIM7670G 4G Development Board.
Package Contents

ESP32-S3-SIM7670G-4G x1

Transparent acrylic case and screws pack x1

GNSS ceramic antenna x1

OV2640 camera x1

2P screw terminal x1

40PIN yellow straight pin header x1

USB Type-A to Type-C cable 1m x1

FPC antenna x1

Screwdriver x1

Double-side tape (4PCS) x1

Resources
WIKI:www.waveshare.com/wiki/ESP32-S3-SIM7670G-4G
Board Features

Provides Portable 4G WiFi Solution
ESP32-S3 Is Connected To The SIM7670G Via USB To Enable 4G Networking While Simultaneously Activating WiFi AP Hotspot, Allowing Smartphones Or Other WiFi Terminals To Connect And Access Network

Supports Image Recognition
Onboard 24PIN Camera Interface, Comes With OV2640 CameraCompatible With The ESP32-Camera Framework, Suitable For Facial Recognition

What’s On Board

ESP32-S3R2
SIM7670G
EA3036CDC-DC 3-ch power output
ETA6098Battery charging IC
CN3791Solar power charging IC
MAX17048GBattery voltage measurement IC
CH343UART to USB IC
CH334USB HUB
W25Q128JVSIQExternal 16MB Flash
FSUSB42UMXUSB switching IC
TXB0104PWRVoltage translator
Camera 24PIN interfaceCompatible with cameras such as OV2640/OV5640
TF Card Slot
USB Type-C portOnboard CH343 And CH334, supports connecting to UART and USB of the ESP32-S3Onboard USB switching IC and DIP switch for switching to use the USB interface of SIM7670G
RESET button
BOOT button
Nano SIM card slot

Solar panel input interfacefor connecting to 5V/6V/9V/12V/18V solar panel
Onboard antenna
ESP32-S3 WiFi connector (IPEX 1)using onboard ceramic antenna by default, supports connecting to external WiFi antenna by modifying solder pad
GNSS connector (IPEX 1)
LTE connector (IPEX 1)
WS2812BRGB LED
Power indicator
Battery reverse warning indicator
Solar power input indicator
Network status indicator
Solar power input voltage selectionfor setting solar panel input voltage:5V level by default, for connecting with5.5V/6Vsolar power panel, supports modifying solder pads for 9V/12V/18Vsolar panels
SY8105IADCExternal input DC-DC
DIP SwitchCAM: for turning on/off the cameraHUB: for controlling the power supply of USB HUB driver circuit4G: for controlling the power supply of SIM7670G moduleUSB: for switching to the USB channel of SIM7670G module.
Battery power supply on/off
18650 battery holder

Pinout Definition

Dimensions

FAQs:
Q: What are the key features of the ESP32-S3-SIM7670G-4G Development Board?
A: The board combines ESP32-S3 with SIM7670G for 4G (LTE Cat-1) communication, Wi-Fi, Bluetooth, and GNSS positioning. It also has a camera interface, TF card slot, battery charging, and solar panel charging options.
Q: What are the possible applications for this development board?
A: It is suitable for outdoor monitoring projects, portable 4G WiFi hotspots, smart home devices, and other applications requiring wireless connectivity and sensor capabilities.
Q: Does this board support global LTE bands?
A: Yes, the SIM7670G module supports multiple LTE bands, ensuring compatibility with various carriers and regions worldwide. However, please verify compatibility with your specific carrier before purchasing.
Q: Can I power the board with a battery and solar panel?
A: Yes, the board has an 18650 battery holder and a solar charging interface, allowing for autonomous operation using renewable energy sources.
Q: What software development environments are supported?
A: The board is compatible with the Arduino IDE and ESP-IDF (Espressif IoT Development Framework), providing flexibility for developers with different preferences.