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

SKU: 26750
Part Number: ESP32-S3-SIM7670G-4G-EN
Brand: Waveshare


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Prohibited by the module manufacturer SIMCOM, we're not allowed to ship this product, or to provide any tech support, to the following countries/regions: Iran, North Korea, Cuba, Sudan, Syrian.
ESP32-S3 SIM7670G 4G Development Board, LTE Cat-1 / WiFi / Bluetooth / GNSS Positioning Support, Global Coverage Multi Band, Suitable for 4G Portable WiFi, Onboard Camera / Antenna
ESP32-S3 SIM7670G 4G Development Board

Based on ESP32-S3, Integrates SIM7670G 4G module, Camera and TF Card Slot, etc.

Multiple low-power working modes, Suitable for Applications such as outdoor monitoring, 4G Portable WiFi, smart home, etc.

Features at a glance

The ESP32-S3-SIM7670G-4G is a multi-functional and high-performance microcontroller development board designed by Waveshare, build-in SIM7670G 4G communication module, onboard OV series camera interface, TF card slot, RGB colorful LED, 18650 battery holder (18650 battery is NOT included), battery voltage measurement IC, solar panel charging interface, and other peripherals. Adopts the ESP32-S3R2 chip, which integrates low-power WiFi and BLE 5.0, onboard external 16MB Flash and 2MB PSRAM, built-in hardware encryption accelerator, random number generator, HMAC, and digital signature module to meet the security requirements of the IoT. Equipped with SIM7670G Cat-1 4G communication module to achieve mobile network connection and meet the low-power requirements of IoT, mobile devices, outdoor monitoring, smart home, and other applications.

  • Adopts ESP32-S3R2 chip with high-performance Xtensa® 32-bit LX7 dual-core processor, capable of running at 240 MHz
  • Built in 512KB SRAM, 384KB ROM, 2MB of PSRAM, and 16MB Flash memory
  • Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication, featuring superior RF performance
  • Equipped with the SIM7670G cellular module, supports 4G Cat-1 networking, GNSS positioning and other functions
  • Onboard USB switching IC and DIP switch for switching to use the USB interface of SIM7670G, suitable for connecting with PC for dial-up internet or debugging of SIM7670G module
  • Onboard lithium battery charging, solar charging, power management, battery capacity measurement, and related protection circuits, supports USB and solar charging with real-time battery capacity measurement
  • Onboard 18650 battery holder (18650 battery is NOT included), adapting VBAT pin header for connecting to external 3.7V lithium battery, with anti-reverse protection
  • Rich peripheral interfaces such as camera interface, TF card slot, USB port, 38PIN header, etc., easy to expand and achieve various functions
  • Onboard multiple DIP switches for camera on/off, switching USB channels to avoid interface conflict, and setting power on/off for some circuits to reduce power consumption
  • Comes with GNSS high-precision ceramic antenna, OV2640 camera, acrylic case, etc., easy to develop various applications
  • Comes with online development resources and manual (including tutorials, demos for 4G portable WiFi and other IoT examples)
Communication Parameters
Frequency Band LTE-FDD: B1, B2, B3, B4, B5, B7, B8, B12, B13, B18, B19, B20, B25, B26, B28, B66
LTE-TDD: B34, B38, B39, B40, B41
GNSS GPS, BeiDou, GLONASS, Galileo
Operating Parameters
Power supply method USB port, 18650 lithium battery holder (18650 battery is NOT included), pin header
Power input 5V (USB port / 5V pin header)
3.7~4.2V (18650 lithium battery holder / VBAT pin header)
Logic Level 3.3V

Global Coverage Multi Band support
of LTE Cat-1

Global Coverage Multi Band Support, LTE Cat-1: 5Mbps(UL), 10Mbps(DL)

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 camera
Compatible with the ESP32-Camera framework, Suitable for facial recognition

Supports charging via solar panel
or USB port

Onboard lithium battery charging, solar charging, power management, battery capacity measurement, and related protection circuits, supports USB and solar charging with real-time battery capacity measurement

The solar panel is NOT included, it is recommended to purchase Solar Panel (5.5V 6W), Solar Panel (6V 5W), and Solar Panel (18V 10W).
GNSS positioning

Supports GPS, BeiDou, GLONASS, Galileo positioning

Application Example

provides multiple networking demos with, using the lightweight MQTT protocol to achieve data visualization service Support

provides tutorial and demo for quick start of smart IoT solutions, with large-screen Data Visualization display to meet various application scenarios

Smart garden solutions:
The ESP32-S3-SIM7670G-4G can report various sensor data of the garden through MQTT to remotely control device ON/OFF, irrigation, fertilization, and so on.

Server Performance Cloud Monitoring:
The ESP32-S3-SIM7670G-4G can report various performance parameters of the Raspberry Pi server through MQTT, and monitor the operation status in real-time through the cloud platform.

IoT GPS Mobile Positioning:
The ESP32-S3-SIM7670G-4G can regularly report the data of the GPS positioning module through MQTT to realize mobile detection, animal or device positioning and tracking, etc.

Application Scenarios
What's On Board
  1. ESP32-S3R2
  2. SIM7670G
  3. EA3036C
    DC-DC 3-ch power output
  4. ETA6098
    Battery charging IC
  5. CN3791
    Solar power charging IC
  6. MAX17048G
    Battery voltage measurement IC
  7. CH343
    UART to USB IC
  8. CH334
  9. W25Q128JVSIQ
    External 16MB Flash
  10. FSUSB42UMX
    USB switching IC
  11. TXB0104PWR
    Voltage translator
  12. Camera 24PIN interface
    Compatible with cameras such as OV2640/OV5640
  13. TF Card Slot
  14. USB Type-C port
    Onboard CH343 And CH334, supports connecting to UART and USB of the ESP32-S3
    Onboard USB switching IC and DIP switch for switching to use the USB interface of SIM7670G
  15. RESET button
  16. BOOT button
  17. Nano SIM card slot
  1. Solar panel input interface
    for connecting to 5V/6V/9V/12V/18V solar panel
  2. Onboard antenna
  3. ESP32-S3 WiFi connector (IPEX 1)
    using onboard ceramic antenna by default, supports connecting to external WiFi antenna by modifying solder pad
  4. GNSS connector (IPEX 1)
  5. LTE connector (IPEX 1)
  6. WS2812B
  7. Power indicator
  8. Battery reverse warning indicator
  9. Solar power input indicator
  10. Network status indicator
  11. Solar power input voltage selection
    for setting solar panel input voltage:
    5V level by default, for connecting with 5.5V / 6V solar power panel, supports modifying solder pads for 9V/12V/18V solar panels
  12. SY8105IADC
    External input DC-DC
  13. DIP Switch
    CAM: for turning on/off the camera
    HUB: for controlling the power supply of USB HUB driver circuit
    4G: for controlling the power supply of SIM7670G module
    USB: for switching to the USB channel of SIM7670G module.
  14. Battery power supply on/off
  15. 18650 battery holder

Pinout Definition

Outline Dimensions
Resources & Services

* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.

Selection Guide
product ESP32-S3-SIM7670G-4G ESP32-S3-A7670E-4G
LTE Cat-1 LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28/B66
LTE-TDD: B34/B38/B39/B40/B41
LTE-FDD: B1/B3/B5/B7/B8/B20
3G N/A
2G N/A GSM/GPRS/EDGE: 900/1800MHz
Data Rate
LTE Cat-1 10Mbps(DL)/5Mbps(UL)
3G (HSPA+) N/A
2G (GPRS/EDGE) N/A 236.8Kbps(DL/UL)
Software Features
Network protocol TCP/HTTP(S)/MQTT(S)/FTP(S)
Dial-up protocol RNDIS/PPP/ECM
USB driver Windows XP/7/8/10, Linux (driver free for Raspberry Pi OS)
Hardware Interfaces
UART GPIO Reserved pins for external devices or external control (3.3V operating level)
USB Supports AT commands testing, GNSS positioning, firmware upgrading, program burning, etc.
Audio jack N/A Supports audio actions like making telephoto call
Antenna connector IPEX 1
Dimensions 30.44 × 110mm
Examples Healthcare, smart payment, Internet talk, environmental monitoring, energy monitoring, fleet management, smart industry, intelligent agriculture, mobile devices, outdoor monitoring, smart home, portable WiFi, etc.
Applicable regions Global Europe, Southeast Asia, West Asia, Africa, China, South Korea

Weight: 0.076 kg

Quick Overview

  1. ESP32-S3-SIM7670G-4G x1
  2. Transparent acrylic case and screws pack x1
  3. GNSS ceramic antenna x1
  4. OV2640 camera x1
  5. 2P screw terminal x1
  6. 40PIN yellow straight pin header x1
  7. USB Type-A to Type-C cable 1m x1
  8. FPC antenna x1
  9. Screwdriver x1
  10. Double-side tape (4PCS) x1