The MFRC522201HN1.151 is a fully integrated transceiver IC for contactless communication at 13.56 MHz. It is designed for use in applications such as access control, identification, cashless payment, and secured wireless. The device integrates a 50Kb protected EEPROM and an integrated antenna, along with several security features. It is intended for operation in both stand-alone systems and access control systems with an ISO/IEC 14443A/MIFARE interface. The MFRC522201HN1.151 includes an ARM Cortex-M0 32-bit processor for the host interface, which supports commands and data transfers with an SPI or UART interface. The device also includes hardware support for several cryptographic algorithms including AES, DES, and Triple-DES.