MFRC‑522 RC522 RFID Radio Frequency Module 13.56MHz IC Card Reader Writer Sensor Module With IC Card & Key Fob Kit For Arduino DIY Access Control Project

MFRC‑522 RC522 RFID Radio Frequency Card Reader Module

📌 Product Overview

The MF RC522 is a highly integrated card reader chip used for 13.56MHz contactless communication. It’s a low‑voltage, low‑cost, compact contactless card chip designed for ‘three‑meter’ applications, making it a great choice for developing smart meters and portable handheld devices. The MFRC522 uses advanced modulation and demodulation concepts and integrates all types of passive contactless communication methods and protocols at 13.56MHz. It supports 14443A compatible transponder signals. The digital part handles ISO14443A frames and error detection. It also supports a fast CRYPTO1 encryption algorithm for verifying MIFARE series products. The MFRC522 supports faster contactless communication for MIFARE series, with two‑way data transfer rates up to 424kbit/s. As a new member of the high‑integration 13.56MHz card reader chip family, the MFRC522 shares many similarities with the MF RC500 and MF RC530, but also has its own features and differences. It communicates with the host using SPI mode, which helps reduce wiring, shrink PCB size, and lower costs. The MF522‑AN module uses the original Philips MFRC522 chip to design the card reading circuit. It’s easy to use, cost‑effective, and suitable for users involved in device development, card reader development, or those who need to design/produce RFID card terminals. This module can be directly installed into various card reader molds. It operates at 3.3V and can communicate with any CPU board via a few simple SPI lines, ensuring stable and reliable operation and long reading distances.

📋 Product Specs

Item	Parameter
Operating current	13.26mA/DC 3.3V
Idle current	10‑13mA/DC 3.3V
Sleep current	< 80mA
Peak current	< 30mA
Work frequency	13.56MHz
Supported card types	mifare1 S50, mifare1 S70, mifare UltraLight, mifare Pro, mifare Desfire
Working temperature	-20℃ ~ 80℃
Storage temperature	-40℃ ~ 85℃
Relative humidity	5%‑95%
SPI Data Transfer Rate	up to 10 Mbit/s

🛠️ Product Applications

The MF RC522 is suitable for various contactless communication applications based on the ISO/IEC 14443A standard that require low cost, small size, high performance, and single power supply.

1. Utility meters
2. On‑board units
3. Public transportation terminals
4. Portable handheld devices
5. Contactless public telephones

Interface Definition: Serial supply voltage (VCC): 5V RX ‑ Serial receive TX ‑ Serial transmit GND ‑ Ground VCC ‑ 5V power supply

⚠ Important Usage Notice

Kind reminder: If there are version differences or images not been updated, please refer to the actual product.