




Specifications:
Model: ACR122U
Interface: USB 2.0 Full Speed (12 Mbps)
Operating Frequency: 13.56 MHz
Smart Card Support:
ISO 14443 Type A & B
MIFARE® Classic, Ultralight, DesFire
FeliCa
NFC tags (NFC-A, NFC-B, NFC-F)
Read/Write Speed: Up to 424 kbps
Card Detection Distance: Up to 5 cm (depending on tag)
Indicators: 1 Bi-color LED, Buzzer
Operating Temperature: 0°C to 50°C
Storage Temperature: -25°C to 70°C
Power Supply: Powered by USB port
Dimensions: 98 mm × 65 mm × 12.8 mm
Weight: ~70 g
OS Compatibility: Windows 7/8/10/11, Linux, macOS
Driver Support: PC/SC and CCID compliant