MR20 Wearable RFID Reader
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Description
The Chainway MR20 is a next-generation wearable Bluetooth UHF RFID reader that brings outstanding mobility and convenience to enterprise data collection. Designed with ergonomics and flexibility in mind, the MR20 can be worn on a hand wrap, wristband, or lanyard, allowing users to work hands-free and boost operational efficiency.
Built with Chainway’s self-developed UHF module based on Impinj E Series chips, and supporting Impinj Gen2X, the MR20 delivers excellent short-range RFID reading and writing performance with superior stability and precision. Compact, rugged, and versatile, it is ideal for use in retail, logistics, warehouse, asset tracking, manufacturing, and inventory management.
Ultra-Lightweight and Wearable Design
Weighing only 64 grams, the MR20 is exceptionally lightweight, ensuring comfort even during long working hours. Its compact 50 × 62 × 19 mm body can be easily mounted on a glove, wristband, or lanyard, giving workers full freedom of movement and effortless access to RFID scanning. With an optional glove, the total weight remains only 90 g, making it one of the lightest wearable RFID readers on the market.
Powerful UHF RFID Performance
Powered by Impinj E Series chips, the MR20 provides robust and reliable short-range RFID capabilities.
Frequency Range: 865–868 MHz / 902–928 MHz / 920–925 MHz
Protocol: EPC C1 GEN2 / ISO18000-6C
Antenna: Linear polarized
RF Output Power: 0.5 W (27 dBm, adjustable from +19 to +27 dBm)
Maximum Read Range: Up to 80 cm (depending on tag and environment)
The MR20 ensures fast and accurate tag recognition for quick inventory counting and asset verification in high-density tag environments.
Fast and Efficient Connectivity
The MR20 connects to Android and iOS devices via Bluetooth Low Energy (BLE) 5.0, providing stable, energy-efficient data transmission for real-time synchronization. Additionally, its USB Type-C interface allows direct wired communication and quick charging, enabling smooth integration into existing workflows.
Strong Battery and Quick Charging
Equipped with a 1200 mAh removable lithium battery, the MR20 offers long-lasting operation for on-the-go workers.
Charging Voltage/Current: 5V / 1.5A
Charging Time: Just 1 hour for a full charge
The removable design enables fast battery swaps for continuous use throughout the day, ideal for intensive scanning environments.
Rugged and Reliable Performance
Despite its small size, the MR20 is built tough for industrial use. It features an IP65-rated design that protects against dust and water, and survives drops from 1.5 meters to concrete. This ensures dependable performance even in demanding warehouse or outdoor conditions.
Operating Temperature: -20°C to +50°C
Storage Temperature: -40°C to +70°C
Humidity: 5%–95% RH (non-condensing)
Smart Indicators for Intuitive Operation
The MR20 features multiple LED indicators and an intuitive keypad for simple operation:
Power and Charging: Red (charging), Blue (fully charged)
Battery Status: Green (above 20%), Flashing Green (below 20%)
Bluetooth: ON (paired), OFF (not connected)
These visual cues provide clear, real-time device status feedback to minimize downtime.
Developer-Friendly SDK Support
The MR20 supports Android and iOS SDKs, allowing developers to integrate the device into custom mobile applications with ease. Development environments include Android Studio and Xcode, using Java or Objective-C. Additionally, it supports RFID encryption modules (reserved) for enhanced data security in enterprise deployments.
Multiple Color Options
Available in Yellow, Blue, and Gray, the MR20 can be customized to match company preferences or workflow color coding, helping distinguish devices by team or department.
Optional Accessories
Hand Wrap – Ideal for hands-free scanning
Wristband – Lightweight and comfortable for long wear
Lanyard – For convenient carry and mobility
Charging Cradle – For efficient battery charging and device docking
Applications
The Chainway MR20 is designed to enhance mobility and productivity across multiple industries:
Retail & Apparel: Rapid shelf inventory, price verification, and cycle counting
Warehouse & Logistics: Item tracking, receiving, and shipment verification
Manufacturing: Work-in-progress tracking and component identification
Asset Management: Equipment tagging, audits, and maintenance tracking
Field Service: Utility inspections and portable data collection tasks
Conclusion
The Chainway MR20 Wearable RFID Reader is a compact, lightweight, and rugged device that merges comfort with cutting-edge performance. Supporting Impinj Gen2X and BLE 5.0, it ensures efficient, reliable data capture in fast-paced environments. Whether worn on the hand, wrist, or neck, the MR20 empowers workers with hands-free mobility, real-time connectivity, and industrial-grade durability—making it the perfect companion for modern, mobile RFID operations.
