RFID is a small electronic components that acts as the “reader”in a Radio frequency identification(RFID) system,which use radio waves to trasnmit data from a tiny tag attached to an object,allowing for automatic identification and tracking of that object.
RFID Frequency:13.56 MHz
RFID Standard:ISO/IEC 14443 Type A
Supported Tags:MIFARE Classic (1K, 4K), MIFARE Ultralight, NTAG, MIFARE Mini, MIFARE DESFire (protocol support)
Operating Voltage:3.3 V DC
Operating Current:13–26 mA (typical)
Sleep Current:< 80 µA
Read Distance:2–5 cm (up to about 5 cm depending on antenna and tag)
Communication Interfaces:SPI (default), I²C, UART (chip supports all; most modules expose SPI)
SPI Speed:Up to 10 Mbit/s
RF Data Rate:106–848 kbit/s
Operating Temperature:–20°C to +80°C
Storage Temperature:–40°C to +85°C
Module Size:Approximately 40 mm × 60 mm
Antenna:On-board PCB antenna