Smart cards are special cards that have a special processor inside and contain a chip that does not allow copying or reading of the content with a special encryption technique. With these smart cards, you can safely store all the information you need in your systems in the card.
It is used in turnstile systems and other special software. Since it has a remote reading feature, we can call it a contactless key fob. Proximity key chain acts as a key in smart card systems, personnel tracking systems and other special systems.
Technicial Specifications
Working frequency 125KHZ
Each keychain has 64 Bit unique ID.
Can read in proximity card reader.
In Blue, Black, Gray colors
It is in EM4100-4102 monchester coding standards.