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

ESP32-S3 A7670E 4G Development Board

Based on ESP32-S3, Integrates A7670E 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:

The ESP32-S3-A7670E-4G is a multi-functional and high-performance microcontroller development board designed by Waveshare, build-in A7670E 4G communication module, onboard OV series camera interface, TF card slot, RGB colorful LED, 18650 Batt holder (18650 Batt is NOT included), Batt voltage measurement IC, solar panel charging interface, and other peripherals. Adopts the ESP32-S3R8 chip, which integrates low-power WiFi and BLE 5.0, onboard external 16MB Flash and 8MB PSRAM, built-in hardware encryption accelerator, random number generator, HMAC, and digital signature module to meet the security requirements of the IoT. Equipped with A7670E 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-S3R8 chip with high-performance Xtensa® 32-bit LX7 dual-core processor, capable of running at 240 MHz
• Built in 512KB Static RAM, 384KB ROM, 8MB 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 Batt charging, solar charging, power management, Batt capacity measurement, and related protection circuits, supports USB and solar charging with real-time Batt capacity measurement
• Onboard 18650 Batt holder (18650 Batt is NOT included), adapting VBAT pin header for connecting to external 3.7V lithium Batt, 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, OV5640 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)

Specifications:

• Communication Parameters
• Frequency Band: LTE-FDD: B1, B3, B5, B7, B8, B20
• Data Transmission:
• ≤5Mbps(UL)
• ≤10Mbps(DL)
• GNSS: GPS, BeiDou, GLONASS
• Operating Parameters
• Power supply method: USB port, 18650 lithium Batt holder (18650 Batt is NOT included), pin header
• Power input: 
• 5V (USB port / 5V pin header)
• 3.7~4.2V (18650 lithium Batt holder / VBAT pin header)
• Logic Level: 3.3V

Multi Band support of LTE Cat-1/2G

Multi Band and Multi regions Support, mainly applicable in Europe, Southeast Asia, West Asia, Africa, China, South Korea

Provides portable 4G WiFi solution

ESP32-S3 is connected to the A7670E via USB to enable 4G networking while simultaneously activating WiFi AP hotspot, allowing smartphones or other WiFi terminals to connect and access network

Supports Windows/Linux Dail-up Internet

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

telephone call & SMS Support

Making telephone call or sending SMS by AT commands, with onboard microphone and Speaker

Supports image recognition

Onboard 24PIN camera interface, comes with OV5640 camera

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

Supports charging via solar panel

or USB port

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

Application Example

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

Waveshare.cloud 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-A7670E-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-A7670E-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-A7670E-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

Documentations:

• Wiki

Package Includes:

• 1 x ESP32-S3-A7670E-4G
• 1 x Transparent acrylic case and screws pack
• 1 x GNSS ceramic antenna 
• 1 x OV5640 camera65976
• 1 x 8Ω 2W 2030 speaker
• 1 x 40PIN yellow straight pin header
• 1 x USB Type-A to Type-C cable 1m
• 1 x FPC antenna
• 1 x Screwdriver
• 1 x 2P screw terminal
• 1 x Double-side tape (4PCS)