433 MHz RF Transmitter & Receiver Module Pair

The 433 MHz RF TX & RX Module Pair is a compact, low-cost wireless solution designed for short-range data communication. Operating on the widely used 433 MHz ISM band, this module pair is ideal for wireless control, remote switching, and simple data transmission projects. It is commonly used with microcontrollers like Arduino, PIC, AVR, and Raspberry Pi.

These modules provide stable performance, low power consumption, and easy interfacing, making them perfect for hobbyists, students, and embedded system developers.

Key Features

• Operates on 433 MHz ISM frequency band

• TX + RX pair for complete wireless communication

• Low power consumption

• Simple digital data interface

• Compact size for easy PCB integration

• Supports ASK/OOK modulation

• Compatible with Arduino, PIC, AVR, and other microcontrollers

• Cost-effective solution for wireless projects

Technical Specifications

• Operating Frequency: 433 MHz

• Modulation Type: ASK / OOK

• Operating Voltage:

  • Transmitter: 3 V – 12 V

  • Receiver: 5 V

• Range: Up to 100 m (open area, with proper antenna)

• Data Rate: Up to 10 kbps (typical)

• Antenna: External wire antenna recommended for better range

Applications

• Wireless remote control systems

• Home automation projects

• RF-based switching circuits

• Wireless sensor networks

• Data transmission between microcontrollers

• Robotics communication

• IoT prototypes

• DIY electronics and academic projects

Package Includes

• 1 × 433 MHz RF Transmitter Module

• 1 × 433 MHz RF Receiver Module

Notes

• Antenna is not included (recommended for optimal performance)

• Best performance achieved in open environments

• Not suitable for high-speed or encrypted data transmissio