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A simple 315 MHz wireless receiver module that pairs with 315 MHz transmitters to create a basic one-way data link. It fits easily into a breadboard and work...

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A simple 315 MHz wireless receiver module that pairs with 315 MHz transmitters to create a basic one-way data link. It fits easily into a breadboard and works well with microcontrollers like Arduino for straightforward wireless communication projects.

Since this is a receive-only module, it handles one-way data transmission. For bidirectional communication, you would need two transmitter/receiver pairs operating at different frequencies.

Key Features

  • 315 MHz Frequency – Pairs with compatible 315 MHz transmitters
  • 4,800 bps Data Rate – Suitable for basic serial data transfer
  • Breadboard Friendly – Fits directly into standard breadboards
  • Microcontroller Compatible – Works with Arduino and other common platforms
Note: These modules are indiscriminate and will receive noise on the common frequency. Both transmitter and receiver lack unique IDs, so you will need to implement a filtering/pairing method in your code for a robust wireless link.

Ideal For

  • Simple wireless data links between microcontrollers
  • Remote sensor monitoring
  • Wireless control projects
  • Learning about RF communication

Package Contents

  • 1× RF Link Receiver Module (315 MHz, 4,800 bps)

Jargon buster

Plain-language definitions for the technical terms used above.

microcontroller
A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
RF
RF means radio frequency, referring to signals used for wireless communication and other high-frequency electronics. A low-noise, stable power supply is important for RF circuits because power noise can affect signal quality and measurements.

RWS-371-3 315MHz RF Receiver Datasheet

Datasheet · 250.5 KB · Click any page to view full size

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KLP RF Module Walkthrough Tutorial

User Guide · 425.4 KB · Click any page to view full size

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Supplier page — sparkfun.com

Supplier Description · 520.0 KB · Click any page to view full size

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