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RC522 RFID Card Reader Module 13.56MHzFeatures-Integrated MF RC52213.56MHz contactless communication card chip.The low-voltage, low-cost, small size of the non-contact card chip to read and write.Suitable for Smart meters and portable handheld devices.Advanced modulation and demodulation concept com..

RFID Reader/Writer RC522 SPI S50 with RFID Card and TagFeatures-Highly integrated analog circuitry to demodulate and decode responses.Supports ISO/IEC 14443 A/MIFARE.Typical operating distance in reading/Write mode up to 50 mm.Supports ISO/IEC 14443 A higher transfer speed communication up to 848 kB..