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Why Won't My Mercury3 Reader Interrogate New UHF EPC Gen 2 Tags?
Any idea what is preventing it from doing so?
ThingMagic's Mercury3 model was introduced in 2002 or 2003—before the EPC Gen 2 RFID standard was ratified. As such, it was not designed to read EPC Gen 2 tags, and there is no direct upgrade path for such a device to support today's reader firmware. You will need to purchase a newer ultrahigh-frequency (UHF) RFID interrogator in order to read EPC Gen 2 tags.
—Mark Roberti, Founder and Editor, RFID Journal
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