Can I Rewrite Passive UHF RFID Tags From a Distance Via Wi-Fi?

By RFID Journal

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Ask The ExpertsCan I Rewrite Passive UHF RFID Tags From a Distance Via Wi-Fi?
RFID Journal Staff asked 6 years ago

Is this possible—and, if so, how would I do this?

—Name withheld

———

You cannot rewrite data stored in the user memory of a passive ultrahigh-frequency (UHF) RFID tag by sending a signal from a Wi-Fi access point to the tag directly, assuming that is what you are asking. You can, however, send commands to a Wi-Fi-enabled passive UHF reader via Wi-Fi and instruct it to rewrite data in the user memory bank.

—Mark Roberti, Founder and Editor, RFID Journal

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