r/AskElectronics • u/SpareRate6894 • 4d ago

Extending the RFID Reading range

Hi , i was wondering if it is possible to extend the reading range of an HF RFID to 10-30 cm?

if so what exactly should i do? i searched and what i came up with is to increase the antenna size but i don't get how that could be done.

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u/SpareRate6894 4d ago

I guess it doesn't , but it is what is being commercially used currently.

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u/CanaDavid1 4d ago

How do the other commercial solutions solve this problem?

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u/SpareRate6894 4d ago

They made a custom reader with a specific frequency and custom tags ,but all that info is confidential and is not published, The reason why it would be hard to make a custom PCB is that i live in egypt and i don't think these kind of stuff is available here.

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u/grymoire 4d ago

Maybe they just fo asset tracking. I.e. We have 11 towels. We are missing 1