RFID RC522 13.56MHz SPI Reader/Writer Module with Mifare Card & Keychain - NXP MF-RC522

The MFRC522-based RFID Reader/Writer Module operates at 13.56MHz and communicates via SPI, making it a compact, low-power, and cost-effective solution for contactless card reading and writing. Based on the NXP MF-RC522 chip, it supports Mifare S50, S70, UltraLight, Pro, and Desfire card types with a reading range of up to 30mm. Ideal for access control, smart meters, attendance systems, and portable handheld RFID applications. Compatible with Arduino, Raspberry Pi, and other 3.3V microcontroller platforms.

Key Specifications

• Chip: NXP MF-RC522
• Operating Frequency: 13.56MHz
• Supply Voltage: DC 3.3V (Do NOT use 5V)
• Operating Current: 13–26mA
• Idle Current: 10–13mA
• Sleep Current: <80µA
• Peak Current: <30mA
• Interface: SPI (Max. 10Mbit/s)
• Card Reading Distance: 0–30mm (Mifare1)
• Supported Cards: Mifare1 S50, S70, UltraLight, Pro, Desfire
• Dimensions: 40 × 60mm

Package Includes

• 1 x RFID-RC522 Reader/Writer Module
• 1 x Mifare S50 Blank Card
• 1 x S50 Special-Shaped Keychain Tag
• 1 x Straight & Right Angle Header Strip

Note: Use 3.3V supply only — do not connect to 5V. Image is for representation purpose only.