Is a 100-Yard Read Range Possible?

By RFID Journal

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Ask The ExpertsIs a 100-Yard Read Range Possible?
RFID Journal Staff asked 15 years ago

Is it feasible to extend the read distance of an RFID tag to 100 yards?

—Name withheld


Active RFID tags typically have a read distance of 100 yards, though some can read beyond that length. If you are trying to read passive tags at that distance, the only system I know of that is currently capable of doing so is the Mojix STAR system, which separates the transmit antenna from the receive antennas, and uses a sensitive phased array antenna to pick up passive tag signals from more than 100 yards away (see Mojix Takes Passive UHF RFID to a New Level and The Brightest Star).

—Mark Roberti, Editor, RFID Journal

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