Can a Single RFID Tag Write More Than One Piece of Data?

By RFID Journal

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Ask The ExpertsCan a Single RFID Tag Write More Than One Piece of Data?
RFID Journal Staff asked 5 years ago

For example, could a tag write data A at station 1, data B at station 2 and data C at station 3, so that a single reader would then read data A, B and C? Is this something RFID technology can handle? If can, how would it work? Also, are any RFID seminars or exhibitions planned in Indonesia or Asia for 2017?

—Randi

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Randi,

Yes, this is possible with some passive ultrahigh-frequency (UHF) RFID tags. The tags must have user memory, and you must use a reader that can write to user memory. It would have a single serial number. You could write information at station A to user memory block 1, for instance, then data at station B to user memory block 2, and so on. A reader at the end of the line would be able to interrogate the serial number and data in each memory block.

As far as I am aware, there are no RFID events being held in Indonesia. However, I would suggest that you attend RFID Journal LIVE! 2017, our annual conference and exhibition to be held in Phoenix, Ariz., on May 9-11. Visit the event’s website for more details.

—Mark Roberti, Founder and Editor, RFID Journal

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