Compact Long-Range 4 Port 33 dBm UHF RFID Reader-Writer with Wi-Fi and GPIO
Product Overview
This compact, high-performance UHF RFID reader-writer is engineered for demanding industrial and commercial applications. Manufactured by DO RFID Reader, this unit combines a powerful 33 dBm RF output with versatile connectivity options, including Wi-Fi and GPIO, making it an ideal solution for large-scale asset tracking, inventory management, and automated data collection systems. Its integrated design and robust performance are built for reliable, factory-grade deployment in diverse operational environments.
Key Features
- High-Power, Long-Range Performance: Features a powerful 33 dBm output with an adjustable range from 5 dBm to 25 dBm, achieving a maximum reading distance of up to 32.81 ft (10 m) for wide-area coverage.
- Multi-Port & High-Speed Reading: Equipped with 4 antenna ports and capable of reading up to 400 tags per second, enabling efficient bulk inventory scans and high-throughput applications.
- Versatile Industrial Connectivity: Offers seamless integration with Wi-Fi for wireless network deployment, GPIO for triggering external devices or alarms, and USB for power and data, providing flexible OEM and ODM integration options.
- Compact and Durable Design: Features a lightweight, space-saving form factor (5.07 in x 3.14 in x 0.866 in / 12.9 cm x 8 cm x 2.2 cm) that is easy to install in fixed or semi-portable setups for industrial solutions.
- Global Protocol Compliance: Fully compliant with the ISO 18000-6C (EPC Gen2) standard, ensuring reliable communication with a wide array of UHF RFID tags worldwide.
Technical Specifications
- Frequency Range: 860 MHz to 960 MHz
- Communication Protocol: ISO 18000-6C
- RF Power Output: Adjustable from 5 dBm to 25 dBm
- Maximum Reading Range: 32.81 ft (10 m)
- Multi-Tag Read Rate: Up to 400 tags per second
- Operating Voltage: USB Power supply @ 15 dBm
- Maximum Current Consumption: 380 mA
- Physical Dimensions: 5.07 in x 3.14 in x 0.866 in (12.9 cm x 8 cm x 2.2 cm)
- Weight: 6.3492 oz (180 g)
- Connectivity Interfaces: Wi-Fi, GPIO, USB
- Antenna Ports: 4 ports
Applications
This reader is designed for wholesale and large-scale deployment across multiple sectors. Its robust feature set makes it perfect for:
- Industrial Asset Tracking: Real-time monitoring of tools, equipment, and returnable transport items (RTIs) in warehouses, factories, and distribution centers.
- Logistics & Inventory Management: High-speed bulk reading for pallet and carton tracking in supply chain and retail logistics.
- Event & Race Timing: Reliable, long-range detection for participant timing in marathons, cycling events, and other sporting competitions.
- Library & Document Management: Efficient tracking of books, files, and media assets.
- Secure Access Control: Integration into hands-free gate or door control systems for personnel and vehicle management.
For detailed technical documentation, OEM/ODM inquiries, or to request a quote for bulk supply, please contact our factory team at info@dorfidreader.com.

