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 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, 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; Equipped with SIM7670G Cat-1 4G communication module to achieve mobile network connection and meet the low-power requirements of IoT, mobile devices, outdoor - MONITOR ing, smart home, and other applications.
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