The ESP32-S3 A7670E LTE 4G Development Board by Waveshare integrates an A7670E 4G module, camera, TF card slot, and more, ideal for outdoor monitoring, portable 4G WiFi, smart home applications, etc. Featuring a high-performance ESP32-S3R2 chip, 2.4GHz Wi-Fi, and Bluetooth LE, it supports 4G Cat-1/2G networking, GNSS positioning, telephone calls, and SMS. With rich peripheral interfaces, onboard charging options, and multiple DIP switches, it offers versatile IoT development capabilities and supports various applications such as smart garden solutions, server performance monitoring, and IoT GPS mobile positioning.

Features:

1. Adopts ESP32-S3R2 chip with high-performance Xtensa® 32-bit LX7 dual-core processor, capable of running at 240 MHz.
2. 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.
   
3. Equipped with the A7670E-FASE cellular module, supports 4G Cat-1/2G networking, GNSS positioning, telephone calls, SMS, and other functions.
4. 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.
5. 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.
   
6. Rich peripheral interfaces such as camera interface, TF card slot, USB port, 38PIN header, etc., easy to expand and achieve various functions.
7. 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.
8. Comes with GNSS high-precision ceramic antenna, OV2640 camera, mini speaker, acrylic case, etc., easy to develop various applications.
9. Comes with online development resources and manual (including tutorials, demos for 4G portable WiFi and other IoT examples).

Package Includes:

1 x Waveshare ESP32-S3 A7670E 4G Development Board, LTE Cat-1 / 2G / WiFi / Bluetooth / Telephone Call / SMS / GNSS Positioning Support