The ESP32-C3-MINI-1-N4 with Multiprotocol Modules SMD module is a compact, powerful wireless circuit module from Espressif Systems. It is equipped with an ESP32-C3FN4 microcontroller, PCB antenna, and an operating temperature range of -40° C to +85° C. The ESP32-C3FN4 is a low-footprint processor with large, flexible architecture and advanced connectivity features. This module can support a variety of high-speed wireless protocols including Wi-Fi, Bluetooth, BLE, Zigbee, Sub-1GHz, and LTE. The on-board chip supports all data formats including UARTs, SPI, I2C, PWM, and more. It also offers advanced features such as secure boot, dynamic frequency scaling, and wake-on-demand. The ESP32-C3-MINI-1-N4 module is suitable for applications such as Internet of Things (IoT), smart home, and intelligent industrial control. It is designed for both low-power and high-performance applications.