433MHz 24V 4 Channel Relay Module Wireless with RF Remote Control Switch without Battery AB0192

Features:

• Operates in the 2.4GHz ISM frequency band
• Built-in PA and LNA for enhanced range and signal quality
• Communication range up to 1100 meters (open area)
• External SMA antenna for improved performance
• SPI interface for easy microcontroller integration
• Low power consumption
• Compatible with Arduino, Raspberry Pi, ESP32, AVR, and STM32

Applications:

• Wireless Sensor Networks
• Remote Control Systems
• Home Automation
• Robotics Projects
• IoT Devices
• Telemetry and Data Communication