XRF Wireless RF Radio UART Serial Data Module XBee Shaped

The XRF Wireless RF Radio UART Serial Data Module is a compact, XBee-compatible RF transceiver designed for point-to-point and mesh wireless communication over serial interfaces. Professional engineers, IoT developers, and embedded systems specialists use this module to establish reliable wireless data links in remote monitoring systems, industrial automation, and telemetry applications. This module solves the critical challenge of enabling wireless UART communication without complex protocol implementation, providing a plug-and-play solution for serial data transmission across distances up to 100 meters in open space.

Product Overview

The XRF Wireless RF Radio UART Serial Data Module operates on the 2.4 GHz ISM band, utilizing spread spectrum frequency hopping technology to deliver robust, interference-resistant wireless communication. The module functions as a transparent serial port replacement, accepting TTL/CMOS-level UART data on one end and transmitting it wirelessly to a paired receiver module. This architecture eliminates the need for complex wireless protocol handling at the application layer, as the module handles all RF modulation, error correction, and packet management internally. The XBee-shaped form factor ensures mechanical and electrical compatibility with standard XBee development boards and breakout carriers, allowing seamless integration into existing prototyping environments.

What distinguishes this XRF module is its combination of low power consumption, reliable delivery in noisy RF environments, and straightforward serial interface implementation. The module features integrated antenna options and operates at configurable baud rates from 1200 to 115200 bps, accommodating diverse application requirements. Advanced features include automatic channel selection, address filtering for multi-node networks, and adjustable transmit power levels. The module's firmware supports both transparent mode for simple point-to-point links and API mode for more sophisticated network topologies, making it suitable for both hobbyist projects and professional industrial deployments.

Key Specifications

Specification	Details
Product Type	XBee-Compatible Wireless RF UART Module
Brand	XRF Series
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Operating Frequency	2.4 GHz ISM Band
RF Data Rate	250 kbps (Over-the-air)
Serial Interface	UART TTL/CMOS Level (3.3V)
Baud Rate Range	1200 to 115200 bps
Transmission Range	Up to 100 meters (open space)
Power Supply	3.3V DC
Current Consumption	45 mA (transmit), 50 mA (receive), 10 µA (sleep)
Antenna Type	Integrated PCB or External SMA (model dependent)
Dimensions	24.4 x 32.9 x 3.3 mm (XBee form factor)
Operating Temperature	-10°C to +60°C

Key Features

• XBee-Compatible Form Factor: Drop-in replacement for standard XBee modules with identical pinout and mechanical dimensions, enabling use with existing XBee breakout boards and development shields
• Transparent Serial Port Mode: Functions as a wireless UART bridge, requiring zero application-level protocol coding for simple point-to-point wireless links
• Frequency Hopping Spread Spectrum: Implements FHSS technology to automatically avoid interference and provide robust communication in congested 2.4 GHz environments
• Low Power Sleep Mode: Consumes only 10 µA in sleep state, ideal for battery-powered remote sensors and IoT edge devices requiring extended operational life
• Configurable Transmit Power: Adjustable RF output power from -24 dBm to +18 dBm, allowing optimization for range versus power consumption trade-offs
• Automatic Channel Selection: Module intelligently scans and selects the clearest RF channel at startup, minimizing manual configuration requirements
• Address Filtering: Supports unique node addressing and network filtering, enabling selective message delivery in multi-node mesh topologies
• High Baud Rate Support: Compatible with serial rates up to 115200 bps, supporting fast data transfer for bandwidth-intensive applications

Applications and Use Cases

• Industrial IoT Sensor Networks: Deploy wireless sensor nodes for temperature, humidity, and pressure monitoring across factory floors and remote facilities, transmitting data to central gateways without running expensive Ethernet or fiber infrastructure
• Remote Equipment Telemetry: Establish wireless links from unmanned weather stations, agricultural soil monitors, or environmental data loggers to base stations, eliminating the need for cellular connectivity in remote locations
• Home Automation and Smart Buildings: Create wireless control networks for smart lighting, HVAC systems, and security sensors using simple point-to-point or mesh topologies with reliable delivery guarantees
• Robotics and Autonomous Systems: Enable wireless communication between mobile robots and control stations, or between swarm robot units, with low latency and deterministic packet delivery
• Medical Device Monitoring: Implement wireless vital sign monitoring systems in hospitals and clinics, where the module's reliability and low EMI characteristics meet stringent healthcare communication standards
• Asset Tracking and Logistics: Deploy GPS-equipped tracking nodes that transmit location data wirelessly to fleet management systems, reducing infrastructure costs compared to cellular-based solutions

How to Use

To begin using the XRF Wireless RF Radio UART Serial Data Module, first ensure you have two modules configured as a transmitter-receiver pair. Connect the module's UART pins (RX, TX, GND) to your microcontroller or serial device using 3.3V logic levels. The module operates in transparent mode by default, meaning any data sent to the TX pin is automatically transmitted wirelessly and received on the RX pin of the paired module. Configure the baud rate on your microcontroller to match the module's configured rate (typically 9600 bps default) using AT commands accessible through the serial interface. To enter AT command mode, send the sequence +++ followed by a 1-second pause, then issue configuration commands such as ATID to set the network ID, ATDL to set the destination address, and ATBD to adjust baud rate.

For multi-node networks, assign unique addresses to each module using the ATMY (source address) and ATDL (destination address) commands, allowing selective routing of messages. If implementing mesh networking, configure the modules in API mode by setting ATAP=2, which enables advanced packet handling and automatic routing through intermediate nodes. Always test your wireless link with simple serial data before deploying in production, verifying that transmitted characters appear correctly on the receiving end. For optimal performance, maintain line-of-sight between modules when possible, position antennas vertically, and avoid placing the modules near large metal objects or high-power RF sources that could cause interference or signal attenuation.

Frequently Asked Questions

What is the difference between the XRF module and standard XBee modules?

The XRF module is a cost-effective alternative to Digi XBee modules, offering similar functionality at a lower price point. Both share the same XBee form factor and pinout, making them mechanically and electrically compatible. However, XRF modules typically have slightly different firmware implementations and may support different command sets. The XRF is ideal for budget-conscious projects where you need reliable 2.4 GHz wireless UART communication without premium pricing. Verify compatibility with your specific application requirements before substituting one for the other.

Can I use two XRF modules for wireless communication without any additional components?

Yes, absolutely. Two XRF modules can communicate directly with just UART connections to your microcontrollers and proper 3.3V power supply. No additional RF components, amplifiers, or network infrastructure is required. Simply connect the TX pin of one module to the RX pin of the microcontroller on the receiving end, and vice versa. The modules handle all RF modulation, demodulation, and packet management internally. This is one of the key advantages of using a complete RF module rather than discrete RF components.

What is the maximum range of the XRF module?

The XRF module achieves approximately 100 meters range in open space with line-of-sight conditions. In indoor environments with walls and obstacles, the range typically reduces to 30-50 meters depending on wall materials and RF interference. Range can be extended by increasing transmit power (using AT commands), using external antennas with better gain, or implementing mesh networking where intermediate nodes relay messages. Frequency hopping spread spectrum helps maintain range in noisy RF environments by automatically selecting clearer channels.

How do I configure the XRF module for a specific network ID?

Enter AT command mode by sending +++ followed by a 1-second pause (no carriage return). Once in command mode, send ATID followed by a 4-digit hexadecimal value (e.g., ATID1234) to set the network ID. All modules with the same network ID can communicate with each other. Send ATWR to write the configuration to non-volatile memory, ensuring settings persist after power cycling. Send ATCN to exit command mode and return to transparent operation. Verify configuration using ATID? to read the current network ID.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

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