Package Contents:

3 × RC522 13.56MHz RFID Reader / Writer Modules
3 × S50 RFID Blank Cards
3 × RFID Key Rings (Key Fobs)
3 × Male Header Pin Sets
RF & Electrical Specifications:
Operating Frequency: 13.56MHz
RF Chip: MFRC522
Communication Interface: SPI
Operating Voltage: DC 3.3V
Reading Distance: Up to 50mm (depending on tag and environment)
Product Function:
RC522 RFID reader and writer module designed for contactless identification, authentication, and access control projects. Supports reading and writing of 13.56MHz RFID cards and key tags, making it suitable for DIY electronics, embedded systems, and security applications.

Supported Cards & Tags:
MIFARE S50 (1K) RFID cards
13.56MHz passive RFID key fobs
ISO/IEC 14443 Type A compliant tags
Interface & Compatibility:
SPI interface for fast data communication
Compatible with Arduino (3.3V logic), ESP32, STM32, Raspberry Pi
Widely used in embedded and microcontroller projects
Typical Applications:
DIY access control systems
Contactless authentication projects
RFID attendance and identification systems
Smart locking and security projects
Build & Design:
Compact PCB design
Stable RF performance
Ideal for prototyping and educational use