ACR33U-A1 SmartDuo is a sleek and stylish device that features innovative dual slots to accommodate two smart cards simultaneously. This dual slot solution enables cost-effective, time-efficient and secure implementation of smart card applications in various fields.

ACR33U-A1 SmartDuo's dual slot feature allows users to operate two smart cards at the same time, enabling efficiency and enhanced security in smart card applications. For example, one slot can hold the smart card of an authorized personnel managing a particular smart card-based service, while the other slot can be used by various individuals availing of such service. Through ACR33U-A1 SmartDuo’s dual slot solution, the need to pull out and reinsert the personnel’s card to accommodate a user’s card is eliminated, resulting to smoother and uninterrupted flow of transactions.

Aside from its dual slot feature, ACR33U-A1 SmartDuo also has three SAM (Secure Access Module) card slots. This feature enhances device security, for applications requiring more stringent security mechanisms.

Finally, ACR33U-A1 SmartDuo is a PC/SC and CCID-compliant device, making it easy to install and use in PC environments.

PC-Linked USB Dual Contact Card Slots SAM Slot(s)
  • Supports two full-sized ISO 7816 Class A (5V) cards
    • Supports microprocessor cards with T=0 or T=1 protocol
    • Supports memory cards:
      • Cards following the I2C bus protocol (free memory cards) such as:
        Atmel: AT24C01 / 02 / 04 / 08 / 16 / 32 / 64 / 128 / 256 / 512 / 1024
      • Cards with intelligent 256 bytes EEPROM and write protect function: SLE4432, SLE4442, SLE5532, SLE5542
      • Cards with intelligent 1K bytes EEPROM and write-protect function: SLE4418, SLE4428, SLE5518, SLE5528
      • Cards with '104' type of EEPROM (non-reloadable token counter cards): SLE4406, SLE4436, SLE5536, SLE6636
      • Cards with secure memory IC with password and authentication: AT88SC153, AT88SC1608
      • Cards with Security Logic with Application Zone: AT88SC101, AT88SC102, AT88SC1003
    • Supports PPS (Protocol and Parameters Selection)
    • Features Short Circuit Protection
  • Built-in three ISO 7816-compliant SAM slots
  • User controllable peripherals
    • Tri-Color LED (Green, Red, Blue)
    • Buzzer
  • Application Programming Interface:
    • Supports PC/SC
    • Supports CT-API (through wrapper on top of PC/SC)
Physical Characteristics
Dimensions (mm) 103.5 mm (L) x 85.0 mm (W) x 59.9mm (H)
Weight (g) 310.0 g
USB Interface
Protocol USB CCID
Connector Type Standard Type A
Power Source From USB port
Speed USB Full Speed (12 Mbps)
Cable Length 1.5 m, Fixed
Contact Smart Card Interface
Number of Slots 2 Full-sized Card Slots
Standard ISO 7816 Parts 1-3, Class A (5 V)
Protocol T=0; T=1; Memory Card Support
Others CAC, PIV Smart Cards
SAM Card Interface
Number of Slots 3 Standard SIM-Sized Card Slots
Standard ISO 7816 Parts 1-3, Class A (5 V)
Protocol T=0; T=1
Built-in Peripherals
Buzzer Monotone
Certifications/Compliance
Certifications/Compliance EN 60950/IEC 60950
ISO 7816
USB Full Speed
PC/SC
TAA (US)
VCCI (Japan)
Microsoft® WHQL
CE
FCC
WEEE
RoHS 2
REACH
Device Driver Operating System Support
Device Driver Operating System Support Windows®
Linux®
MAC OS®
Solaris
Android™
Drivers for ACR33U
USB Interface OS Support
MSI Installer for PC/SC Driver  6 MB
Version 4.3.0.0
02-May-2019
Windows® XP, Windows® Vista, Windows® 7, Windows® 8, Windows® 8.1, Windows® 10, Windows® Server 2003, Windows® Server 2008, Windows® Server 2008 R2, Windows® Server 2012, Windows® Server 2012 R2, Windows® Server 2016 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  1 MB
Version 4.3.0.0
02-May-2019
Windows® XP, Windows® Vista, Windows® 7, Windows® 8, Windows® 8.1, Windows® 10, Windows® Server 2003, Windows® Server 2008, Windows® Server 2008 R2, Windows® Server 2012, Windows® Server 2012 R2, Windows® Server 2016 R2
PC/SC Driver Package  2 MB
Version 1.1.6
30-Oct-2018
Linux ®
PC/SC Driver Installer  256 KB
Version 1.1.6.3
11-Apr-2019
Mac 10.5, Mac 10.6, Mac 10.7, Mac 10.8, Mac 10.9, Mac 10.10, Mac 10.11, Mac 10.12. Mac 10.13, Mac 10.14
PC/SC Drivers  457 KB
Version 1.1.6
29-Oct-2018
Linux®, Mac OS® X
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  421 KB
Version 1.1.5
25-Jun-2019
Android™ 3.1 and above
PC/SC Driver Installer 
Version 1.0.8
16-Feb-2017
Solaris 10, 11 and above



Manuals & Datasheets for ACR33U
Product Presentation

Product Presentation of ACR33U-A1 SmartDuo Smart Card Reader

Technical Specification

Technical Specification of ACR33U-A1 SmartDuo Smart Card Reader

Reference Manual

Reference Manual of ACR33U-A1 SmartDuo Smart Card Reader