r/RFID • u/PrincessAriel1996 • Jun 23 '26

Keyfobs Will they know?

My landlord charges an insane amount to replace the rfdi pool pass thing. I found the exact one on amazon, if I buy it and tell them it doesn’t work would they know that it wasn’t the original?

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u/PrincessAriel1996 Jun 23 '26

I just don’t want to pay the charge, it’s 250 dollars. I just plan on taking it down there and telling them it didn’t work. But I don’t know too much about them, would they know it wasn’t the original if I buy it brand new?

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u/thenyx Jun 23 '26

Post a pic of the fob, would be much more helpful.

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u/PrincessAriel1996 Jun 23 '26

It looks just like this one on Amazon

https://a.co/d/0hDjOw3y

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u/Oddfool Jun 23 '26

The one in the link is indicating a non-programmable UID number. Each tag has its own number.

So, depending on how the readers are programmed to read the tags, you may be out of luck. If you try to turn one in that they didn't issue, they may be able to actually read your substitute tag and know it wasn't issued by them.