RFID (Radio Frequency Identification) tags are an automatic identification technology that identifies targets and acquires data via radio signals. UHF (Ultra-High Frequency) RFID tags represent one of its subcategories, characterized by long identification ranges, fast read/write speeds, and batch reading capabilities.
Among these, UHF RFID Stickers are a lightweight, flexible, and cost-effective form factor, making them particularly suitable for large-scale deployment on various item surfaces. They are widely used in scenarios such as warehouse inventory management, logistics distribution center operations, asset management, and archival management.
1. Technical Principles and Core Components
The core of a UHF chip RFID tag consists of an embedded radio frequency chip and antenna. Its operating principle is as follows: When the tag enters the electromagnetic field emitted by the reader, the antenna receives electromagnetic energy and activates the chip. The chip then transmits stored data (such as item IDs and status information) to the reader by modulating and reflecting signals. This tag utilizes the NXP UCODE8 chip (customizable), offering 128 bits of storage capacity for key data. Operating at ultra-high frequency, it achieves a read range of 300cm to 500cm, making it ideal for long-distance identification scenarios. Encapsulated in coated paper, it balances cost-effectiveness with durability, supporting up to 100,000 write cycles for reusable applications.
Alien 9620 ISO 18000-6C Passive RFID Tags
2. Usage Methods and Application Scenarios
This passive tag requires no internal battery, relying instead on power from the reader’s electromagnetic field. Consequently, it features a compact size and low cost. During use, the tag must be affixed or embedded onto items requiring management (such as cargo packaging, file boxes, or equipment surfaces). Data can be batch-read or written via a reader within a range of 300cm to 500cm. For instance: – During warehouse inventory, staff can swiftly scan shelf tags with handheld readers to automatically verify stock counts. – At logistics hubs, tags track goods throughout the entire process from receiving to shipping. – In document management, tags enable rapid file location, reducing manual search time. With a read/write time of just 0.1ms and support for high-speed moving object recognition, it significantly enhances management efficiency.
China RFID UHF UCODE 9 Label Manufactuer
3. Technical Highlights and Practical Performance
Compared to traditional barcodes or low-frequency RFID tags, UHF chip RFID tags offer advantages such as extended read range, strong anti-interference capabilities, and the ability to read multiple tags simultaneously. For instance, in logistics distribution centers, barcodes require individual scanning and are prone to failure due to contamination, whereas UHF tags enable batch reading within 5 meters and function reliably even when covered in dust or creased. Additionally, their 100,000-cycle write endurance supports dynamic data updates. In asset management scenarios, device statuses (e.g., “In Use,” “Under Repair,” “Scrapped”) can be updated through repeated rewrites. Customized services (e.g., specifications, chip models) further address industry-specific requirements—archival management may demand smaller tags, while logistics applications may require more durable packaging.