Is There a Relationship Between the Read Range and Gain of an RFID Antenna?

By RFID Journal

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Ask The Experts › Is There a Relationship Between the Read Range and Gain of an RFID Antenna?
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RFID Journal Staff asked 6 years ago

If so, what does a higher gain mean for the antenna’s range?

—Francois

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Francois,

Yes, there is. An antenna’s gain is a measure of the amount of power transmitted in a specific direction. A higher gain essentially means more energy is emitted and thus reaches the tags, allowing them to transmit a further distance.

—Mark Roberti, Founder and Editor, RFID Journal

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