Is a Detuned Antenna a Problem for HF (Non-propagating Wave Case) RFID?

By RFID Journal

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Ask The ExpertsIs a Detuned Antenna a Problem for HF (Non-propagating Wave Case) RFID?
RFID Journal Staff asked 7 years ago

Is there a cause for concern if an antenna come in contact with metal?

—Name withheld

———

Yes, any antenna that comes in direct contact with metal will be detuned. However, high-frequency (HF) and low-frequency (LF) antennas can be located closer to metal without performance degradation than a passive ultrahigh-frequency (UHF) antenna can.

—Mark Roberti, Founder and Editor, RFID Journal

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