Some Misconceptions About UHF Tags

However, UHF products can provide a versatile read distance; several believe there are disadvantages to the UHF RFID tag manufacturer. For a long time, people think that:

  • UHF RFID Tags could not function on and in water or metal
  • UHF Tags could not offer a shorter read range
  • UHF RFID Tags are too large and are inappropriate for various applications where a smaller footprint is necessary

The following section is a substitute to reexamining these misunderstandings and myths about UHF Technology.

1. UHF RFID Tags Cannot Function On Or In Fluids Or Metals

It is well-proven that HF RFID tags perform reliably and accurately on fluids and metals. Though, for a while, people believe that UHF tags cannot function on and in liquids. However, the latter claim is untrue: UHF RFID tags perform equally well on liquids and metals. Ultra-high frequency Gen 2 Tags work on liquids. They work in containers to fill them with liquids. An RFID tag manufacturer demonstrated that the best UHF RFID Tag could work on containers holding liquids and liquids by reading a UHF Tag positioned inside a Gatorade bottle.

Moreover, UHF tags work on metal, but these RFID tags benefit the metal background, consuming it to increase performance. For instance, Boeing chose to recognize aircraft parts using UHF tag Technology to streamline maintenance and pre-flight examination processes. Boeing used an amount of on-metal UHF RFID tag to identify metal matters. Furthermore, RCD Technology’s Sentry Family of Asset tags stands on metal UHF Tags, intended explicitly for superior performance on various metal surfaces. In short, UHF RFID technology is flexible, and manufacturers design it to achieve the best performance essential on metal and on – or in – liquids.

2. UHF Tag Technology Does Not Deliver Contained Read Range, Essential For Item-Level Tracking

UHF Tags can offer a full spectrum of essential ranges, from near field ranges as small as one inch away to 50+ft. Read tag range is not strictly resolute by the frequency. These RFID tag inlays designed to have a shortened read tag range are as good as HF tags. The manufacturers intended antennas to have short, long, or complete read tag ranges. Unlike HF RFID Tags, UHF tags allow for flexibility in reading range; manufacturers made tags to function in various near and far-field applications.

3. UHF RFID Tags Are Too Large And Are Unsuitable For Applications Where A Smaller Footprint Is Essential

UHF RFID Tags do not have size limitations. The manufacturers design them based on a footprint. For instance, RCD Technology developed a tag with a small print to be placed on servers with limited space around 36.3mm x 10.9mm x 2.8mm. Moreover, you can find medical UHF labels as small as 9 mm in size. UHF RFID tags provide the flexibility to meet consumers’ needs, from short-range tags to tags small sufficient to fit in the cap of a vial to large tags that involve robust performance in the most extended reading tag ranges.


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