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The Secret To UHF RFID Reading Success

For years, the RFID industry worked tirelessly to improve RFID read rates just so that an RFID tag on a piece of inventory or asset could be read as it passed a reader. The first few generations worked exclusively on picking up this small, weak signal, and declared “VICTORY” when the tag could finally be read with precision. Then something happened. As the industry gained knowledge, tags and readers improved, and more antenna choices became available. This led to expanded read ranges. Now, that tag that could barely be read at 5 feet away from the antenna is read at 20 feet away. At last, improved long-range reading was a reality. However, long-range reading produced a problem — a problem bigger than the problem of not reading the tag at all: Reading the tag accidently.

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