Metallic RFID No More: The Anti-Metal Tags That Solve Recognition Woes

Anti-metal tags are electronic tags specifically designed for radio frequency identification (RFID) on metal surfaces. Since metal has the characteristics of reflecting, absorbing and shielding radio frequency signals, traditional RFID tags cannot work properly on metal surfaces. To solve this problem, anti-metal tags came into being.

Anti-metal tags use special designs and materials that allow them to work properly on metal surfaces. Here are some common features of anti-metal tags:

Reverse polarization: Anti-metal tags usually use reverse polarization antenna designs. By changing the structure of the tag antenna, the shielding effect of the metal surface on the radio frequency signal can be effectively reduced or avoided, thereby improving the tag's reading distance and stability.

Isolation materials: Anti-metal tags use isolation materials on the back of the tag or around the tag antenna, such as foam backing, ceramic gaskets, etc. These materials can form an isolation layer between the tag and the metal surface to prevent interference and reflection of RF signals by the metal.

Shell material: Metal-resistant tags usually use non-conductive materials as the tag shell, such as plastic or ceramic. These materials have lower electrical conductivity, which can reduce interference with radio frequency signals from metal surfaces.

Attenuation technology: Some anti-metal labels use special attenuation technology, such as reflection damping technology. By adding an attenuation element to the tag antenna, the reflection and interference of RF signals from the metal surface can be reduced.

Anti-metal tags are mainly used in scenarios that require RFID identification on metal surfaces, such as tracking and management of metal products, logistics management of metal containers, etc. By using anti-metal tags, the interference of metal on RFID signals can be overcome, and the readability and stability of the tags can be improved, thereby achieving more accurate and efficient data collection and management.

Here are some examples of using anti-metal tags:

Logistics management: Using anti-metal labels on metal shelves can track and manage metal products, parts or goods stored on the shelves. Labels can record item information, such as entry time, exit time, cargo status, etc., to improve logistics efficiency and accuracy.

Asset Management: Use metal-resistant tags to identify and manage metal equipment, tools or fixed assets. Tags can be attached to metal surfaces and read through RFID technology to track, locate and inventory assets to avoid asset loss or misplacement.

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