RFID 13.56MHz Reader and Writer uses RC522 – RFID Card Reader / Writer Module, which includes 13.56 Mhz RF reader, writer which is based on RC522 chip. The MFRC522 is a highly integrated reader/writer for contactless communication at 13.56 Mhz, the MFRC522 reader supports ISO 14443A at MIFARE mode,
