SKU: IOWC-1638
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RXB6 433MHz Superheterodyne Wireless Receiver Module

₹191.00 (Inclusive of all taxes)
Out of Stock

The RXB6 is a 433.92MHz superheterodyne receiver module designed for low-power, one-way wireless data links. It interfaces directly with microcontrollers via digital data and analog RSSI pins, making it ideal for remote control and telemetry applications.

Features

  • Superheterodyne architecture for superior sensitivity (-116dBm) and interference rejection.
  • Ultra-low power consumption with Power Enable mode down to 50nA and active current of 6.0mA at 3.3V.
  • Provides analog RSSI output for real-time signal strength monitoring and range optimization.
  • Wide 3V to 5.5V supply range for compatibility with 3.3V and 5V microcontroller systems.
  • Industrial-grade operating temperature from -40°C to +85°C for harsh environment deployment.

Out of stock

Description

The RXB6 433MHz Superheterodyne Wireless Receiver Module is a dedicated RF front-end for robust, long-range one-way communication. Its superheterodyne design offers excellent selectivity and spurious radiation suppression, simplifying compliance with CE/FCC certifications. The module outputs a clean digital data signal alongside an analog RSSI pin, enabling microcontrollers to not only decode transmissions but also assess link quality.

Engineered for low-power IoT and remote control systems, it features a deep sleep mode with nanoampere-level current draw, dramatically extending battery life in periodic sensing applications. The compact form factor allows for easy integration into breadboards and custom PCBs, facilitating rapid prototyping of wireless security alarms, industrial controllers, and simple telemetry networks.

Key Features

  • High-performance superheterodyne receiver architecture for stable, long-range reception.
  • Integrated analog Received Signal Strength Indicator (RSSI) output for link diagnostics.
  • Excellent local oscillator radiation suppression allows multiple receivers to operate nearby without interference.
  • Low active current consumption maximizes operational efficiency in battery-powered nodes.
  • Power Enable (PE) pin facilitates ultra-low-power sleep states, reducing average system current.
  • Robust design supports operation across a wide industrial temperature range.

Applications

  • Remote Keyless Entry (RKE) systems for automotive and access control.
  • Wireless security and alarm system sensors (door/window contacts, PIR sensors).
  • Industrial wireless telemetry and remote control for actuators or switches.
  • Simple one-way data transmission for weather stations or environmental sensors.
  • Home automation projects for remote control of curtains, lights, or garage doors.

Technical Specifications

ModelRXB6
Wireless ProtocolASK/OOK Superheterodyne Receiver
Frequency Range433.92 MHz
Receiver Sensitivity-116 dBm
Supply Voltage3V to 5.5 VDC
Operating Current6.0 mA @ 3.3V
Sleep Current (Power Enable)50 nA (typ.)
InterfacesData, GND, VCC, RSSI (Analog)
Antenna ConnectorPin for wire antenna (typically ~17.3cm)
Operating Temperature-40°C to +85°C
Dimensions (LxW)43 mm x 17 mm

Frequently Asked Questions

How do I connect and power the RXB6 module with an Arduino?

Connect VCC to Arduino's 3.3V or 5V pin (within 3-5.5V range), GND to GND, and the DATA pin to a digital input pin. For RSSI monitoring, connect the RSSI pin to an analog input. A simple wire antenna (~17.3cm) should be soldered to the antenna pad. The module draws about 6mA during active reception. Use the Power Enable (PE) pin, pulling it low to enable the module and high to put it into its 50nA sleep state for power saving.

What type of transmitters are compatible with the RXB6 receiver?

The RXB6 is designed to receive ASK (Amplitude Shift Keying) or OOK (On-Off Keying) modulated signals. It is compatible with common 433MHz transmitters like the FS1000A, MX-FS-03V, or similar superheterodyne transmitter modules that operate at 433.92MHz. Ensure the data rate and encoding (e.g., Manchester) match between your chosen transmitter and the decoding library on your microcontroller for reliable communication.

How can I use the analog RSSI output from the module?

The RSSI pin provides a DC voltage proportional to the received signal strength. Connect it to an ADC input on your microcontroller. In code, read the analog value; a higher voltage typically indicates a stronger signal. This can be used for tasks like finding the optimal antenna orientation, implementing a proximity-based trigger, or creating a simple signal strength meter for debugging your wireless link's range and reliability.

What is the effective range of the RXB6 receiver module?

The range depends heavily on the paired transmitter's power, antenna efficiency, and environmental conditions. With a standard 433MHz wire antenna and a typical +10dBm transmitter in an open area, you can expect ranges of 50-100 meters. The high -116dBm sensitivity helps capture weak signals. For maximum range, use properly tuned quarter-wave antennas (~17.3cm) on both ends, elevate modules, and minimize obstructions and sources of RF interference.

Package Includes

  • 1 x RXB6 433MHz Superheterodyne Wireless Receiver Module

Additional Information

Weight 0.003 kg
Dimensions 4.3 × 1.7 cm