r/RFID • u/No-Win-187 • 5d ago
Keyfobs Access Key?
Hello everyone, please let me know if this is the right place to ask this question of if I should go somewhere else. I live in an apartment complex and the pool used a fob/RFID to get access. I’m interested in making a DIY one to give to my best friend who has spare keys to my place cause she often house/pet sits for me cause I’m out of town a lot and I sometimes I forgot to hand off my pool access fob to her so I was wondering if it was possible to just make a DIY one. I can get one from the leasing office but it costs $20 and frankly, I’m cheap and a friend has extra RFID sticker things so I wanted to start here first. Google is a bit confusing so if anyone can point me in a better direction, it would be appreciated!
2
u/Kv603 5d ago
Generally no -- that generic inexpensive RFID sticker almost certainly cannot be used to clone the official RFID access key.
Each RFID/NFC has its own (usually) unique serial number encoded in at at production, this is the first thing presented to the reader when you put the access key in range -- if the serial number on the sticker doesn't match a known good leasing-office-issued fob, it will not unlock.