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BlogsAsk The Experts ForumIs It Possible for an RFID Reader to Interrogate 10 Tags at Once?

Is It Possible for an RFID Reader to Interrogate 10 Tags at Once?

Posted By RFID Journal, 07.17.2014

By "at once," I mean that the tags would be within 1 to 2 meters of the reader, and would need to be interrogated within half a second. If this is feasible, where can I find such a system, and what would be the cost?

—Name withheld


You most certainly can. Any passive ultrahigh-frequency (UHF) reader can interrogate 10 tags within 2 meters in less than half a second. You could read 50 tags, in fact. The cost would depend on the type of passive UHF reader you purchased. If you bought a fixed reader with multiple ports for multiple antennas, it would likely run you about $2,000 with antennas and cables, while a handheld would likely cost around $3,000. If you have a fairly small read field, you could purchase a reader with an integrated antenna. These typically go for about $1,000 apiece.

—Mark Roberti, Founder and Editor, RFID Journal

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