RF Module 433MHz

433MHz RF Transmitter and Receiver Module – Wireless Communication Solution for Remote Control and Data Transmission

The 433MHz RF Transmitter and Receiver Module is a low-cost wireless communication system ideal for short-range data transmission in embedded and IoT projects. Operating in the license-free ISM band (433MHz), these modules are widely used for wireless control, sensor data transfer, and remote triggering systems. This pair includes a compact transmitter and a sensitive receiver capable of communicating over distances of up to 100 meters in open space, making it perfect for home automation, alarms, wireless switches, and DIY electronics.

Product Specifications

Key Features

• Wireless Communication Pair
  Includes both transmitter and receiver modules for bidirectional low-speed data communication.

• 433 MHz ISM Band Operation
  Works in the free 433.92 MHz band for unlicensed use in most countries.

• Simple Interface
  Transmit and receive data through a single digital I/O pin using software serial or UART encoding techniques.

• Compact Design
  Small footprint allows integration into embedded systems and enclosures.

• Long Range Capability
  Up to 100 meters communication distance in open line-of-sight with proper antenna.

• Low Power Usage
  Ideal for battery-operated remote control and wireless sensor applications.

Benefits

• Affordable Wireless Solution
  Cost-effective way to add basic RF communication to your project.

• Easy to Interface with Microcontrollers
  Compatible with Arduino, ESP32, STM32, Raspberry Pi, and other development boards.

• Custom Communication Protocols
  Allows developers to implement their own encoding/decoding logic or use standard libraries like VirtualWire or RadioHead.

• Reliable Over Short Distances
  Stable performance for remote control or telemetry within small to medium environments.

Applications

• Remote Control Systems
  Use in wireless switches, garage doors, lighting control, or appliance automation.

• Wireless Sensor Networks
  Transmit sensor data such as temperature, motion, or door/window state.

• Home and Industrial Automation
  Control devices wirelessly in smart home or factory automation settings.

• Alarm and Security Systems
  Transmit trigger signals from sensors to a base station or alarm unit.

• DIY Projects and Learning Kits
  Perfect for beginners experimenting with wireless communication.