
ACR122U – Technical Specifications info@acs.com.hk
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4.0.Technical Specifications
Physical Characteristics
Dimensions .................................... 98.0 mm (L) × 65.0 mm (W) × 12.8 mm (H)
Weight............................................ 70 g
Color .............................................. Pearl White
USB Host Interface
Protocol.......................................... USB CCID
Connector Type.............................. Standard Type A
Power Source................................. From USB port
Speed............................................. USB Full Speed (12 Mbps)
Supply Voltage............................... 5 V
Supply Current .............................. Max. 200 mA
Cable Length.................................. 1.0 m, Fixed
Contactless Smart Card Interface
Standard ........................................ ISO/IEC 18092 NFC, ISO 14443 Type A & B, MIFARE, FeliCa
Protocol.......................................... ISO 14443 T=CL for ISO 14443-4 compliant cards
....................................................... T=CL Emulation for MIFARE Classic, ISO 18092, FeliCa and NFC Tags
Operating Frequency ..................... 13.56 MHz
Operating Distance ........................ Up to 50 mm (depending on tag type)
Smart Card Read/Write Speed....... 106 Kbps, 212 Kbps, 424 Kbps
Antenna Size.................................. 50 mm × 40 mm
Built-in Peripherals
LED................................................ 1 bi-color: Red and Green
Buzzer............................................ Monotone
Application Programming Interface
PC-linked Mode.............................. PC/SC
....................................................... CT-API (through wrapper on top of PC/SC)
Operating Conditions
Temperature .................................. 0 °C – 60 °C
Humidity......................................... Max. 90% (non-condensing)
MTBF ............................................. 408,500 hrs
Certifications/Compliance
EN 60950/IEC 60950, ISO 14443, ISO 18092, USB Full Speed, PC/SC, CCID, CE, FCC, RoHS 2, REACH
VCCI (Japan), KC (Korea), Microsoft® WHQL