RFID tag is often associated with the use in metal environment, when the RFID electronic tag near the metal, the metal has a strong reflection of electromagnetic wave, so it will be accompanied by a signal weakened, reading distance will become closer, serious interference occurs read failure phenomenon. The solution is using absorbing material to isolate interference. RFID works with electromagnetic waves and they do not penetrate through metal, instead they are reflected at a metal surface. This reflection cancels the incident wave at some spots.
A Guide to RFID Types and How They Are Used
RFID Pentester Pack – Lab
Mounting or embedding RFID tags on metal is a tricky proposition for the uninformed, and the informed for that matter. RFID companies have patented technology that allows RFID to work when attached to metal surfaces and even embedded within metal products. Because so many metal surfaces are exposed to harsh conditions, many RFID on-metal tags are specially designed and equipped to withstand harsh conditions. These rugged RFID tags are typically encased within a hard shell and will survive hard impacts, moisture exposure, and extreme temperatures. Since the employment of metal mount RFID tags vary greatly across different industries, manufacturers provide tags suitable for the environments of your applications. Each style of on-metal tag has a unique method of attachment.
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A recent conversation with my seven-year-old nephew turned to the new Superman movie. Ironically, his statement made me think of an e-mail from a reader who was searching not for someone to bend steel, but for an RFID product that could read tracking data through steel—a superhero technology, if you will. But, by the time our order picker brings a full pallet to the dock for shipping, we can't read the RFID numbers for validation because RFID does not transmit through steel.
For the security industry, RFID technology is mature and stable, it is very simple for the access control system, the rfid card contains information, used for the identification of authority management. The application are mainly low-frequency and high-frequency technology in different area, such as access card, ID card, traffic card, its application is relatively mature. On the contrary, limited to cost and technical level, the scope of ultra-high frequency and microwave's application is relatively narrow. However, under the impetus of national policy, ultra-high frequency and microwave began to high-speed development.