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Ultra Wide Band (UWB)

Ultra Wide Band (UWB) is the use of a broad band of frequencies usually in the higher microwave frequencies to carry out wireless communication. It was only approved for RFID by the FCC in February 2003. Ubisense and Parco Wireless are among the companies taking advantage of this with RFID and other products.
 
Proponents of UWB active RFID argue that it offers
 
  • Unprecedentedly high security
  • Low power consumption
  • Immunity to interference
  • Very low probability of causing interference
  • Low cost
 
However, the US Military opposed the use of UWB and the FCC took a long time to approve its use partly because it was more complex than considering whether a single frequency would cause problems with other equipment. A very wide range of frequencies is involved. We do not yet know of a comparison being made in situ between a leading conventional active tag system and a UWB system so the jury is out on that one.
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