Drivers for ACR122U OS Support  
USB Interface
MSI Installer for PC/SC Driver  5 MB
Version 4.2.2.0
26-Jan-2017
Windows® XP, Windows® Server 2003, Windows® Vista, Windows® Server 2008, Windows® Server 2008 R2, Windows® 7, Windows® 8, Windows 8.1, Windows® Server 2012, Windows® Server 2012 R2, Windows® 10
MSI Installer for PC/SC Driver  5 MB
Version 4.0.6.0
14-Nov-2014
Windows® 7 (for users who did not install required Microsoft Windows Updates and get driver signature error (Code 52))
PC/SC Drivers  371 KB
Version 2.0.1.0
23-Nov-2015
Windows® CE 5.0, Windows® CE 6.0, Windows® CE 7.0
PC/SC Driver Package  2 MB
Version 1.1.4
07-Dec-2016
Linux
PC/SC Driver Installer  247 KB
Version 1.1.4
07-Dec-2016
Mac 10.5, Mac 10.6, Mac 10.7, Mac 10.8, Mac 10.9, Mac 10.10, Mac 10.11, Mac 10.12
PC/SC Drivers  436 KB
Version 1.1.4
16-Dec-2016
Linux, Mac 10.5, Mac 10.6, Mac 10.7, Mac 10.8, Mac 10.9, Mac 10.10, Mac 10.11, Mac 10.12
CT-API Library  2 MB
Version 1.0.1.1
23-Jan-2017
Windows® XP, Windows® Server 2003, Windows® Vista, Windows® Server 2008, Windows® Server 2008 R2, Windows® 7, Windows® 8, Windows 8.1, Windows® Server 2012, Windows® Server 2012 R2, Windows® 10
CT-API Library  261 KB
Version 1.0.1
23-Jan-2017
Linux®, Mac OS® X 10.5, Mac OS® X10.6, Mac OS® X10.7, Mac OS® X10.8, Mac OS® X10.9
PC/SC Drivers  874 KB
Version 4.2.2.0
26-Jan-2017
Windows® 2000, Windows® XP, Windows® Vista, Windows® 7, Windows® 8, Windows® 8.1, Windows® Server 2003, Windows® Server 2003 R2, Windows® Server 2008, Windows® Server 2008 R2, Windows® Server 2012, Windows® Server 2012 R2 
Android EVK  472 KB
Version 1.1.3
31-Mar-2016
Android 3.1 and above



Manuals & Datasheets for ACR122U
Product Presentation

Product Presentation of ACR122U NFC Contactless Smart Card Reader

Technical Specification

Technical Specification of ACR122U NFC Contactless Smart Card Reader

Application Programming Interface

API Driver Manual of ACR122U NFC Contactless Smart Card Reader