What type of passive RFID chip do I need for long distance?

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What type of passive RFID chip do I need for long distance?

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mcclellandian2
Contributor I

I am absolutely ignorant about this technology so that question probably doesn't make sense. I need to know what type of passive reader and active system I need if I want the active to read the passive from up to 40 feet away. Is the passive system a chip, or would it be the size of the EZPass toll receivers? 

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Jonathan_Iglesias
NXP TechSupport
NXP TechSupport

Dear Ian McClelland, Hope you are doing great, for that distance the only Family that we have is the UCODE  please check the image,

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the only thing that I am not sure if you need a reader or a passive chip, let me quick explain, the passive chip will be the one that is waiting to be energized by the active in this case the reader, I mention this because NXP does not sell UHF (Ultra high frequency) readers for this we only have tags, if you are looking for a tag please check our UCODE family.

UCODE®|NXP 

BR

Jonathan

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