HC-12 SI4463 Wireless Serial Port Module with Spring Shaped Antenna -

Operating Frequency Range: This module operates within the 433.4 to 473.0 MHz range and offers up to 100 communication channels for wireless data exchange. Power and Distance: The unit provides a maximum transmit power of 100 mW and a communication distance of up to 1000 meters using the included spring shaped antenna. Built In Microcontroller: An integrated MCU allows for direct communication with external devices via the serial port without the need for additional programming or manual serial protocol management. Automatic Networking Support: The built in program enables automatic networking and supports one to one, one to many, many to one, and many to many interconnections. Transparent Transmission Modes: Four distinct transparent transmission modes are available to accommodate different operational requirements and ensure efficient data transfer between modules.