How Many Passive UHF Gen 2 Tags Can a Single Application Control at Once?

By RFID Journal

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Ask The ExpertsHow Many Passive UHF Gen 2 Tags Can a Single Application Control at Once?
RFID Journal Staff asked 7 years ago

RFID systems seem to provide vast amounts of data. Should I be concerned about data traffic from RFID readers overwhelming data networks?

—Name withheld

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RFID applications should be able to handle hundreds of millions of tags simultaneously. Readers filter tag reads and should be set up to pass on only relevant information. For example, if you have 1,000 items on a storage shelf, a fixed reader might interrogate those tags 1,000 times a minute. But the reader would not update the inventory database every time a tag was read. Instead, it could be set up to update an item’s status when the tag was no longer being read, which would indicate it had left the shelf.

There is no doubt that RFID systems can provide vast amounts of data, which is why it is important to structure databases properly, and to filter out information that provides no value. I have not heard of traffic from RFID readers overwhelming data networks.

—Mark Roberti, Founder and Editor, RFID Journal

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