MFRC 522 RFID Module Radio Frequency Identification

Specifications:

• Operating Voltage: 2.5V to 3.6V
• Communication Protocol: SPI (Serial Peripheral Interface)
• Frequency: 13.56 MHz
• Data Transfer Rate: 106 kbit/s, 212 kbit/s, 424 kbit/s
• Read Range: Up to 5 cm (depending on the antenna size and tag)
• Current Consumption:
  • Typical: 13-26 mA (when reading)
  • Standby: 10 µA
• Size: 40mm x 60mm

Key Features:

• Supports ISO/IEC 14443 A/MIFARE mode: This includes cards such as MIFARE Classic 1K, MIFARE Classic 4K, MIFARE Ultralight, etc.
• Anti-collision support: Allows the module to handle multiple tags simultaneously.
• EEPROM: Integrated EEPROM to store settings.
• Programmable output driver: For easy connection to an antenna.
• High integration level: Includes an internal transmitter and receiver part, minimizing the need for external components.
• Power-down and standby modes: To save power when not in active use.
• Interrupt Pin: For notifying the microcontroller of the module status.