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

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