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RSSEnsuring Successful Operation Of RFID Tags In High Value Asset Tracking
May 1, 2008
By Emerson & Cuming Microwave Products
Introduction
Radio Frequency Identification (RFID) is not a new technology, with the initial application being IFF (Identification Friend or Foe) used by aircraft during World War 2. Since that time it has found a variety of uses including key fobs, contactless payment, proximity cards for building security, and toll collection. These days, thanks to increases in RFID performance and standards like EPC Class 1 Generation (Gen) 2, RFID readers and tags are finding new life in applications like defense logistics, healthcare and the enterprise as well. According to one estimate alone, the RFID market is poised to surge from millions to tens of billions of tags over the next five years. While this growth bodes well for RFID reader and tag manufacturers alike, it also creates a number of interesting challenges, not the least of which is how to ensure tag operation on metal. This problem is especially troublesome in the high-value asset tracking arena, such as with military supplies featuring metal casings and components. A new patent-pending, high dielectric material with high magnetic permeability can offer manufacturers an ideal solution for ensuring RFID tags will operate as expected on metal products.
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