The NFC transponders like NFC stickers, key fobs, tags, discs, cards, labels, and wristbands contain a NFC chip and an antenna inside different kinds of housings.  There are as many as five types of contactless chips which are compatible with NFC protocols and they have their own specific properties. With this article, we will clarify the differences between NFC chips so you will know which is the best for your NFC application.