The ACR123U is the USB version of the ACR123S, a cost-effective, flexible and intelligent contactless reader. It can be integrated to existing (Point-of-Sale) terminals or cash registers, to offer the convenience of a cashless payment system. The ACR123U speeds up movement in checkout counters, by enabling customers to complete payments by simply tapping their cards.

The ACR123U is equipped with a large graphical LCD that allows merchants to display messages, as well as a large tapping area with backlight, which guides customers in carrying out their payment transactions. Developed based on 13.56 MHz contactless (RFID) technology, it supports any contactless card following the ISO 14443-4 standard. It is also equipped with a large graphical LCD, as well as a large user-controllable tapping area with backlight.

The ACR123U is compliant with major payment and safety standards such as MasterCard®, Visa, AMEX, EMV Level 1 and EMV Level 2. It is also compatible with EMV-based contactless payment applications such as MasterCard® PayPass™, Visa payWave®, and AMEX ExpressPay®. Moreover, the ACR123U Intelligent Contactless Reader is also Apple Pay-ready.

PC-Linked USB Embedded Operating System Contactless Reader SAM Slot(s) Graphical/ Dot Matrix LCD Firmware Upgradeable
  • USB interface for Data Communication and power supply    
  • ARM 32-bit CortexTM-M3 Processor    
  • Smart Card Reader:    
    • Read/Write speed of up to 848 kbps    
    • Built-in antenna for contactless card access, with card reading distance of up to 50 mm (depending on tag type)    
    • Support for ISO 14443 Part 4 Type A and B cards and MIFARE series
    • Built-in anti-collision feature    
    • Three ISO 7816-compliant SAM slots
  • Payment Applications:    
    • MasterCard® PayPass™ Mag Stripe and M/Chip    
    • Visa payWave® MSD and qVSDC
    • American Express® ExpressPay 3.0    
    • Apple Pay-ready
  • Built-in Peripherals:    
    • 16 alphanumeric characters x 8 lines Graphical LCD (128 x 64 pixels)    
    • Four user-controllable LEDs (Blue, Yellow, Green, and Red)    
    • User-controllable tapping region backlight (Red, Green and Blue)    
    • User-controllable speaker (Audio tone indication)   
Dimensions Main Body: 159.0 mm (L) x 100.0 mm (W) x 21.0 mm (H)
With Stand: 177.4 mm (L) x 100.0 mm (W) x 94.5 mm (H)
Weight Main Body: 281.0 g
With Stand: 506.0 g
Compliance / Certifications
  • ISO 14443, CE, FCC, RoHS 2, REACH, VCCI, KC
  • EMVCo Level 1, EMVCo Level 2, MasterCard® PayPass™, Visa payWave®,  AMEX ExpressPay®, Microsoft® WHQL
Interface USB Interface with USB Standard Type A connector
Operating Distance Up to 50 mm (depends on the tag type)
Supply Voltage Regulated 5V DC
Supply Current 500 mA (max.)
Operating Temperature 0-50°C
Operating Frequency 13.56 MHz
Smart Card Interface Support
  • ISO 14443 Type A & B
  • MIFARE
Payment Applications
  • MasterCard® PayPass™ Mag Stripe and M/Chip
  • Visa payWave® MSD and qVSDC
  • American Express®  ExpressPay 3.0
  • Apple Pay-ready
Operating System Support
  • Windows®
  • Linux®
Drivers for ACR123U 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
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 
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 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
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
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
Android EVK  472 KB
Version 1.1.3
31-Mar-2016
Android 3.1 and above



Manuals & Datasheets for ACR123U
Product Presentation

Product Presentation of ACR123U Intelligent Contactless Reader

Technical Specification

Technical Specification of ACR123U Intelligent Contactless Reader

Application Programming Interface

Application Programming Interface of ACR123U Intelligent Contactless Reader