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HC12 Tx/Rx Module is a powerful 433MHz wireless transceiver designed for long-distance serial communication. It supports data transmission over distances of up to 1km in open environments. The module operates at 3.3V to 5V, making it compatible with various microcontrollers. It supports UART communication, allowing simple interfacing without additional coding. The HC12 module is widely used in industrial automation, remote control applications, and weather monitoring systems. It features low power consumption, making it suitable for battery-powered projects.