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Passive RFID Tag

giorgiogu over 8 years ago

Hello,

I was looking for a Passive 13.56MHz HF RFID tag.

is was looking at this:

http://uk.farnell.com/stmicroelectronics/srtag2k-dmc6t-2/nfc-rfid-tag-2kbit-13-56mhz-qfn/dp/2396469

But i'm a bit confused if it can be passive, so to be powered up only by the RFID reader, and what is the maximum distance the tag can be read from.

Thanks again for your help.

Giorgio

http://uk.farnell.com/stmicroelectronics/srtag2k-dmc6t-2/nfc-rfid-tag-2kbit-13-56mhz-qfn/dp/2396469

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jadew over 8 years ago

It will vary, but don't expect more than a couple of cm.

Edit: Missed your power requirements question. Yeah, it's powered directly by the reader.
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giorgiogu over 8 years ago in reply to jadew

Thank you for your help,
Ideally i would need about 6cm range, is there any similar tag i could use?

Thanks again

Giorgio
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the-dubster over 8 years ago in reply to giorgiogu

Larger tags contain larger antenna so increase the range, also a more powerful antenna (high gain) on the reader will push the distance out further without having to use active tags.
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the-dubster over 8 years ago in reply to giorgiogu

Larger tags contain larger antenna so increase the range, also a more powerful antenna (high gain) on the reader will push the distance out further without having to use active tags.
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