Waveshare ESP32-S3 A7670E 4G Development Board, with Camera/Speaker/Antenna | LTE Cat-1/2G/WiFi/BT/Telephone Call/SMS/GNSS Positioning Support, For 4G Portable WiFi

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Highlights

• 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 PS-RAM, and 16MB Flash memory
• Integrated 2.4GHz Wi-Fi and BT 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 li 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 Batt holder (Batt is NOT included), adapting VBAT pin header for connecting to external 3.7V li 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