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

AED 325.00

Low stock


ESP32-S3 A7670E 4G Development Board, LTE Cat-1 / 2G / WiFi / Bluetooth / Telephone Call / SMS / GNSS Positioning Support, Suitable For 4G Portable WiFi, Onboard Camera / Speaker / Antenna

The ESP32-S3-A7670E-4G (the development board) is a multifunctional, high-performance microcontroller development board designed by Waveshare. It integrates an A7670E 4G communication module, a universal OV camera interface, a TF card slot, RGB lights, an 18650 battery slot, a battery voltage measurement IC, a solar charging interface, and other peripherals. It employs the ESP32-S3R2, a system-level chip (SoC) that integrates low-power Wi-Fi and BLE5.0. Additionally, it comes with an external 16MB Flash and 2MB PSRAM. The SoC incorporates a hardware encryption accelerator, RNG, HMAC, and digital signature modules, meeting the security requirements of the Internet of Things (IoT).
The A7670E 4G communication module provides mobile network capabilities, enabling functionalities like portable Wi-Fi and IoT data transmission when combined with the ESP32-S3R2. Its various low-power operating modes cater to power consumption demands in IoT, mobile devices, outdoor monitoring, smart home applications, and other scenarios.

User Manual / Datasheet / Example Codes Etc.






  • 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 A7670E-FASE cellular module, supports 4G Cat-1/2G networking, GNSS positioning, telephone calls, SMS, and other functions
  • Onboard USB switching IC and DIP switch for switching to use the USB interface of A7670E, suitable for connecting with PC for dial-up internet or debugging of A7670E 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, mini speaker, 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)








  • Frequency Band : LTE-FDD: B1, B3, B5, B7, B8, B20
  • Data Transmission : ≤5Mbps(UL),  ≤10Mbps(DL)



  • 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





Package Includes

  • ESP32-S3-A7670E-4G x1
  • Transparent acrylic case and screws pack x1
  • GNSS ceramic antenna x1
  • OV2640 camera x1
  • 8Ω 2W 2030 speaker x1
  • 40PIN yellow straight pin header x1
  • USB Type-A to Type-C cable 1m x1
  • FPC antenna x1
  • Screwdriver x1
  • 2P screw terminal x1
  • Double-side tape (4PCS) x1



Supports Image Recognition
Supports Charging Via Solar Panel Or USB Port

Application Example
What's On Board
  1. ESP32-S3R2
  2. A7670E-FASE
  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 A7670E
  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 A7670E module
    USB: for switching to the USB channel of A7670E module.
  14. Battery power supply on/off
  15. 18650 battery holder
  16. Microphone input
  17. Speaker output
Pinout Definition