Can I Extend a Passive Tag’s Read Range By Using a Repeater?

By RFID Journal

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Ask The ExpertsCan I Extend a Passive Tag’s Read Range By Using a Repeater?
RFID Journal Staff asked 9 years ago

The tag I am using is embedded in metal. so the read range is short. Does anyone have experience with repeating a tag to allow for greater range?

—Name withheld

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Repeaters essentially pick up a signal and rebroadcast it in order to achieve a longer read range. These are used in some active RFID systems, but I have never heard of a repeater being used with a passive system. If anyone knows if and how this can be accomplished, they are invited to post information below.

—Mark Roberti, Founder and Editor, RFID Journal

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