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Keyestudio RC522 RFID Module for Arduino

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MF522-AN module adopts MFRC522 original reader circuit chip design, easy to use, low cost, suitable for equipment development, development of advanced applications such reader users, the need for RF card terminal design / production of the user.
This module can be loaded directly into a variety of readers molds. Module uses voltage of 3.3V, and can be directly connected to the user any CPU board communication module through the SPI interface using simple few lines,which can guarantee stable and reliable reader distance.


  • Current:13-26mA / DC 3.3V

  • Idle Current:10-13mA / DC 3.3V

  • Sleep current: <80uA

  • Peak current: <30mA

  • Operating Frequency: 13.56MHz

  • Supported card types: mifare1 S50, mifare1 S70, mifare UltraLight, mifare Pro, mifare Desfire

  • Environmental Operating temperature: -20 to 80 degrees Celsius

  • Environment Storage temperature: -40 to 85 degrees Celsius

  • Relative Humidity: 5% -95%

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