SKU: IOWC-1607
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RXB22 315MHz ASK Superheterodyne Receiver Module

₹148.00 (Inclusive of all taxes)
Out of Stock

The RXB22 is a 315MHz ASK superheterodyne receiver module offering reliable wireless data reception for remote control and telemetry systems, operating from a 2.8V to 5V DC supply.

Features

  • Superheterodyne receiver architecture for superior sensitivity and selectivity in noisy RF environments.
  • Operates on the 315MHz ISM band, ideal for North American remote control and security applications.
  • Amplitude-Shift Keying (ASK) modulation for simple, cost-effective wireless data links.
  • Wide operating voltage range from 2.8V to 5V DC, compatible with both 3.3V and 5V microcontroller systems.
  • Compact form factor for easy integration into wireless controllers, alarms, and automated door switches.

Out of stock

Description

The 315MHz RXB22 ASK Superheterodyne Receiver Module is a dedicated RF front-end designed for robust wireless reception in the sub-1GHz spectrum. Its superheterodyne architecture employs intermediate frequency (IF) filtering to significantly improve signal-to-noise ratio, interference rejection, and overall reception range compared to simpler super-regenerative designs. This makes it a reliable choice for critical control and status reporting links.

Engineered for Amplitude-Shift Keying modulation, the module interfaces directly with common decoder ICs or microcontroller GPIO pins for demodulating on-off keying data streams. Its low-voltage operation supports battery-powered and energy-efficient IoT nodes, providing a dependable wireless link for remote triggering, sensor data backhaul, and command reception in automated systems.

Key Features

  • Superheterodyne receiver design enhances sensitivity and provides excellent adjacent channel rejection.
  • Optimized for the 315MHz industrial, scientific, and medical (ISM) radio band.
  • ASK demodulation output provides a clean digital signal for easy microcontroller processing.
  • Low-voltage operation supports portable and battery-powered wireless applications.
  • Compact and lightweight PCB module for straightforward embedding into end products.
  • Ideal for creating reliable one-way wireless communication links from remote transmitters.

Applications

  • Wireless remote controls for garage doors, gates, and industrial equipment.
  • Security system sensors and wireless alarm triggers.
  • Simple telemetry and status reporting for home automation.
  • Wireless doorbell and paging systems.
  • IoT sensor nodes requiring one-way data reception.

Technical Specifications

ModelRXB22
ModulationASK (Amplitude-Shift Keying)
Operating Frequency315 MHz
Supply Voltage2.8 VDC to 5 VDC
Receiver ArchitectureSuperheterodyne
Dimensions (Shipping)8 cm x 6 cm x 3 cm
Weight (Shipping)0.03 kg

Frequently Asked Questions

What is the advantage of a superheterodyne receiver over a super-regenerative one?

A superheterodyne receiver converts the incoming RF signal to a fixed intermediate frequency (IF) for filtering and amplification. This architecture provides significantly better sensitivity, selectivity against adjacent channel interference, and stability, making it more reliable for critical control links compared to the simpler, noisier super-regenerative design.

How do I interface this RXB22 module with an Arduino or other microcontroller?

Connect the module's VCC and GND to your MCU's 3.3V or 5V power supply (within 2.8-5V range). The digital data output pin (typically labeled DATA or DOUT) should be connected to a GPIO input pin on your microcontroller. In your code, read this pin to detect the demodulated ASK signal, often implementing a simple protocol decoder for the transmitted data packets.

What type of transmitter should I pair with this 315MHz ASK receiver?

Pair this receiver with an ASK-modulated transmitter tuned to the same 315MHz center frequency, such as modules using the TXB01 or similar chipsets. Ensure the data encoding format (e.g., fixed code, rolling code, Manchester encoding) matches between your transmitter and the decoder you use on the receiver side for reliable communication.

Package Includes

  • 1 x RXB22 315MHz ASK Superheterodyne Receiver Module

Additional Information

Weight 0.03 kg
Dimensions 6 × 8 × 3 cm