433MHz RF Transmitter and Receiver Module Pair

Establish reliable, low-cost wireless telemetry in your hardware projects with the 433MHz RF Transmitter and Receiver Module Pair. Engineered to replace messy cable configurations over long distances, this amplitude shift keying (ASK) wireless radio data link kit contains a compact FS100A transmitter module matched to an ultra-responsive receiver board. Working across a standard 3.5V to 12V DC input range, the hardware broadcasts serial strings up to 100 meters in open-air conditions, easily punching signals through structural indoor walls. Designed without structural layout limits, it links to microcontrollers directly over a simple 3-pin or 4-pin layout using basic VirtualWire or RadioHead software libraries. It serves as the definitive component choice for DIY remote control cars, wireless home automation switches, remote keyless entry links, and autonomous sensor telemetry setups running on Arduino, ESP32, or Raspberry Pi.

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Tags 433MHz RF transmitter receiver wireless RF module rf module 433 mhz 433mhz rf module 433 mhz wireless transmitter

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Product Details :

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Made In :	India

The 433MHz RF Transmitter and Receiver Module Pair is a cost-effective and reliable solution for wireless communication in embedded and IoT projects. Operating at 433MHz frequency, this module pair allows simple data transmission between two microcontrollers without the need for complex networking protocols. It is widely used in remote controls, wireless switches, home automation, and basic telemetry systems. With low power consumption and easy interfacing, it is ideal for beginners and advanced developers alike.

Key Features

Operates at 433MHz RF frequency
Simple ASK (Amplitude Shift Keying) modulation
Long-range wireless communication (up to 50–100m, depending on environment)
Low power consumption
Compact and lightweight design
Easy interface with Arduino, ESP32, Raspberry Pi, and other microcontrollers
Suitable for one-way and basic two-way communication setups

Technical Specifications

Parameter	Specification
Operating Frequency	433MHz
Modulation Type	ASK (Amplitude Shift Keying)
Transmitter Voltage	3V – 12V
Receiver Voltage	5V
Transmitter Current	~10mA – 40mA
Receiver Current	~5mA
Range	Up to 100 meters (open space)
Data Rate	1 kbps – 10 kbps
Antenna	External wire (recommended)
Interface	Digital