The MF RC522 is a highly integrated read/write chip designed for 13.56MHz contactless communication. Developed by NXP, it is an excellent choice for low-voltage, cost-effective, and compact non-contact card applications, making it ideal for smart devices and handheld instruments.

The MF RC522 incorporates advanced modulation and demodulation techniques, supporting a variety of passive 13.56MHz communication protocols. It also features fast CRYPTO1 encryption for MIFARE product authentication and enables high-speed, two-way data transfer at up to 424kbit/s.

Specifications:

• Operating Current: 13-26mA at 3.3V DC
• Idle Current: 10-13mA at 3.3V DC
• Sleep Current: <80µA
• Peak Current: <30mA
• Operating Frequency: 13.56MHz
• Supported Cards: MIFARE1 S50, MIFARE1 S70, MIFARE UltraLight, MIFARE Pro, MIFARE Desfire
• Physical Dimensions: 40mm x 60mm
• Operating Temperature: -20°C to 80°C
• Storage Temperature: -40°C to 85°C
• Humidity: 5% to 95%