MFRC522 RFID Module Basics
MFRC522 RFID module is a highly integrated read and writes card chip. It works in 13.56MHz contactless communication. It is a low cost, low voltage, small size, contactless card chip. It finds its application in the intelligent instrument and portable handled devices. This module follows all the protocols of 13.56MHz passive contactless communication method, which makes its to use advanced modulation and demodulation methods.