Can a Single Tag Be Connected to Two Antennas?

By RFID Journal

  • TAGS
Ask The ExpertsCan a Single Tag Be Connected to Two Antennas?
RFID Journal Staff asked 2 years ago

Is this possible—and, if so, who makes such tags?

—Chris-Patrick

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Chris-Patrick,

I assume you are asking if an RFID chip can be connected to two separate antennas in order to create a transponder or tag. The answer is “yes.” The Monza X-2K Dura and Monza X-8K Dura, both from Impinj, support two independent antennas—a short-range loop antenna on the circuit board and a long-range dipole antenna inside the electronic device’s enclosure. This allows the chip to be read from both the near field (on a manufacturing line, for example) and at long range (within a warehouse). I believe there may be other chips with four pads for connecting two antennas.

—Mark Roberti, Founder and Editor, RFID Journal

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