RF433R Unit Compact 433MHz Wireless Receiver for Remote Control and Automation

The RF433R Unit (SYN531R) is a high-sensitivity 433.92MHz RF wireless receiver module designed for seamless integration into remote control and automation systems. Leveraging Amplitude Shift Keying (ASK) modulation and powered by the SYN531R RF receiver IC, this compact unit delivers reliable signal reception up to 10 meters, making it ideal for smart home, industrial, and automation applications.

Whether you’re developing security alarm systems, wireless data transmission solutions, or home automation devices, the RF433R offers stable communication, excellent noise suppression, and a small form factor for easy integration into your product or project.

Key Features & Benefits

433.92MHz Wireless Frequency (ASK Modulation)

Operates at a standardized 433.92 MHz frequency using ASK modulation, perfect for most wireless control and automation devices.

High Sensitivity (-109dBm)

Equipped with -109dBm sensitivity, this receiver captures even weak RF signals reliably ideal for low-power and long-distance applications.

Built-in PCB Antenna

Includes an integrated PCB antenna that maintains a stable reception range of up to 10 meters, ensuring consistent wireless performance.

Compact and Lightweight

Measuring only 48 x 24 x 8mm and weighing just 6g, this unit is perfect for compact designs and can be easily embedded in space-limited devices.

Noise Suppression and Excellent Selectivity

Engineered for strong interference rejection, the RF433R delivers clean signal processing even in environments with multiple RF devices.

Plug-and-Play Integration

Ships with a HY2.0-4P cable, enabling quick connectivity and integration into development boards, modules, or existing products.

Technical Specifications

Ideal Applications

• Wireless remote control systems

• Smart home and IoT automation

• Security alarm systems

• Wireless meter reading

• Industrial automation

• Wireless sensor networks

• Data acquisition and telemetry

FAQs

What is the range of the RF433R Unit?

The RF433R Unit offers a stable wireless reception range of up to 10 meters, depending on the environment and device placement.

Is this receiver suitable for home automation systems?

Yes, it’s ideal for smart home automation, remote controls, and wireless data transmission systems using the 433MHz band.

Can I use the RF433R with Arduino or other microcontrollers?

Absolutely. The unit includes a HY2.0-4P cable, which makes it easy to interface with Arduino, ESP32, Raspberry Pi, and other boards.

What kind of antenna does it use?

It features a built-in PCB antenna, providing compact design and reliable RF performance without external antenna requirements.

What IC is used in the RF433R?

The module is powered by the SYN531R RF receiver IC, which ensures high sensitivity (-109dBm) and low-power operation.