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Will Subzero Temperatures Cause Tag Failure?

Posted By RFID Journal, 05.08.2009
Are standard RFID tags affected by subzero temperatures? Our freezers operate at between -8 degrees and +14 degrees Celsius (+17.6 degrees and +57.2 degrees Fahrenheit). Would this cause the tags to fail to transmit their ID numbers?

—Name withheld

———
Many passive RFID tags can operate at subzero temperatures. Impinj's Monza chip—which is in many ultrahigh-frequency (UHF) tags based on the EPC Gen 2 protocol—can operate in temperature ranges of -40 degrees to +65 degrees Celsuis (-40 degrees to -140 degrees Fahrenheit). Texas Instruments' Vicinity Transponder Badge, which employs an ISO 15693-compliant chip, operates in that range as well. Active tags have a similar operating range, and all tags can be insulated to enable them to withstand even lower temperatures.

—Mark Roberti, Editor
, RFID Journal

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