RFID Journal Staff asked 11 years ago Does the technology allow this level of precision?
—Name withheld
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It would be very difficult to do this, unfortunately, as no passive or active RFID technology is that precise. The only possible way would be to create a grid of very small high-frequency (HF) antennas, and then, when a tagged item was at a specific spot, have that antenna read the tag, thereby enabling you to know precisely where the item was located. To create a sizable grid would be costly, however, as you would need a high volume of readers to connect the antenna grid to.
—Mark Roberti, Founder and Editor, RFID Journal
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