Physical Characteristics
Universal Serial Bus Interface 
Power Source From USB 
Speed12 Mbps (High Speed) 
Supply VoltageRegulated 5 V DC
Supply Current200 mA 
Contactless Smart Card Interface 
StandardISO 14443 A and B 
Protocol Mifare® Classic protocols, Mifare® DESFire protocols, Mifare Mini protocols 
Smart Card Read/Write Speed 106 kbps 
Physical Specifications
Dimensions120.5 mm (L) x 72.0 mm (W) x 20.4 mm (H) 
ColorBlack 
Weight150 g 
Operating Conditions 
Temperature0 – 50  °C 
Humidity10% - 90% 
Certification/Compliance CE, FCC, RoHS 
Device Driver Operating System Support Windows® 98, ME, 2000, XP, Vista, 7, Server 2003, Server 2003 R2, Server 2008, Server 2008 R2 Linux 
Others ACS ACR120U backward compatiable