Specifications:
- Operating Voltage: 3.3V to 5V.
- Frequency: 13.56MHz (for common RFID modules like MFRC522).
- Range: Up to 5 cm for reading tags/cards.
- Interface: SPI (Serial Peripheral Interface).
- Communication Protocol: MIFARE (for MFRC522 readers), ISO/IEC 14443.
- Power Consumption: Standby <1mA, Active current approx. 13-26mA.
- Included Items: RFID Reader module, RFID card (typically 1 credit-card-sized), and a keychain tag.
- Example Models: MFRC522, RC522, PN532.
- Dimensions: Approx. 60mm x 40mm x 5mm.
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