Description: MF RC522 is a highly integrated read-write card chip used in 13.56MHz contactless communication, which is a low-voltage, low-cost, small-size contactless read-write card chip launched by NXP. The MFRC522 supports MIFARE series of higher speed contactless communication with bidirectional data transmission rates of up to 424kbit/s. As a new member of the 13.56MHz
Electrical parameters : Current :13-26mA / DC 3.3V Idle Current :10-13mA / DC 3.3V Sleep current: Peak current: Operating Frequency: 13.56MHz Supported card types: mifare1 S50, mifare1 S70, mifare UltraLight, mifare Pro, mifare Desfire Module Interface SPI Parameters Data Transfer Rate: Max. 10Mbit/s