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Tamper-evident RFID

It's another sign of the times we live in that authentication technologies, including RFID tags, may themselves need to be made tamper-evident to indicate when they've been messed with.

At least two companies offer technology that claims to make RFID tags tamper-evident.

 

 

One of those is Mikoh Corp., which offers its Smart&Secure tags, which we reported on last November. It is not a visual feature, but is linked to the RFID tag's functionality. In its simplest format, the RFID tag is disabled if it is tampered with or removed.

 

 

Another vendor is Parelec, a supplier of ink additives, which offers an anti-counterfeiting smart label that can be affixed inside or outside a packaged product. Printed with a silver antenna, the tag's paper substrate is designed to break instantly if someone tries to remove it. The compact 1.2”x1.4” RFID tag operates in the high-frequency13.56 MHz range, which is more commonly used by pharma companies for item-level tracking.

 

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