433MHz Transmitter Receiver Wireless Module

433MHz Transmitter Receiver Wireless Module 

The 433MHz Transmitter and Receiver Wireless Module Set is a simple and cost-effective RF communication solution designed for short to medium range wireless data transmission. Operating in the 433MHz ISM band, this module pair is widely used in remote control systems, wireless switches, sensor data transmission, and DIY electronics projects.

The transmitter module sends digital data using ASK/OOK modulation, and the receiver module receives and demodulates the signal, providing a digital output to a microcontroller or logic circuit. These modules are easy to interface with Arduino, PIC, AVR, ESP, and other microcontrollers.

Due to their low cost, simple design, and reliable performance, these 433MHz RF modules are extremely popular in home automation and wireless control projects.

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Features

• Operating Frequency: 433MHz ISM band
• Includes: 1 × Transmitter module + 1 × Receiver module
• Modulation: ASK / OOK
• Low power consumption
• Simple digital data interface
• Compatible with HT12E/HT12D, PT2262/PT2272, or microcontrollers
• Good range for hobby and DIY projects (typically 50–200m with proper antenna)
• Compact and lightweight modules
• Low cost and easy to use
• External antenna support for better range

Applications

• Wireless remote control systems
• Home automation and wireless switches
• Wireless doorbells and alarms
• Sensor data transmission
• Robotics and RC projects
• Garage door and gate controllers
• Wireless relay control
• DIY electronics and IoT projects