Description

Specification Details
Reader IC MFRC522
Operating frequency 13.56 MHz
Board supply voltage 3.3 V DC
Logic level 3.3 V
Supported protocol SO/IEC 14443 Type A
Compatible tags Supported MIFARE and NTAG devices; functionality depends on software
Read/write distance Typically up to 5 cm, depending on tag, antenna and surroundings
Main board interface SPI
Other IC interfaces I²C and UART; require suitable board configuration
SPI speed Up to 10 Mbit/s
RF communication rate Up to 848 kBd
Antenna Integrated PCB antenna
Header connections SDA/SS, SCK, MOSI, MISO, IRQ, GND, RST and 3.3V
Functions Tag identification and reading/writing supported tag memory
Kit contents shown Reader board, RFID card and key-fob tag
Applications Attendance systems, identification, access-control prototypes and educational projects