ACR39T-A3 is a SIM-sized smart card reader that is small, but packs a lot of features. With its MicroUSB OTG interface, ACR39T-A3 is capable of supporting most of the mobile devices in the market today that run applications using SIM-sized contact smart cards. This provides the perfect balance between dependable functionality and design aesthetics to meet your security requirements in smart card-based applications.

ACR39T-A3 supports ISO 7816 smart cards, GSM 11.11-compliant cards, various memory cards, and microprocessor cards with T=0 and T=1 protocol. This compact smart card reader can also readily support micro-SIM-sized cards. It can be easily integrated with any mobile device running on the Android™ platform with versions 3.1 and above, and may be used in Windows®, Linux®, or Mac OS®, with its PC/SC and CCID compliance.

Weighing nothing more than your standard USB stick, ACR39T-A3 is a device that you can bring anywhere to keep smart card technology right at your fingertips.

Mobile Micro USB SIM Card Slot
  • Supports ISO 7816 Class A, B and C (5 V, 3 V, 1.8 V) cards
  • Supports microprocessor cards with T=0 or T=1 protocol
  • Supports memory cards such as:
    • Cards following the I2C bus protocol (free memory cards) with maximum 128 bytes page with capability, including:
      • Atmel: AT24C01/02/04/08/16/32/64/128/256/512/1024
      • SGS-Thomson: ST14C02C, ST14C04C
      • Gemplus: GFM1K, GFM2K, GFM4K, GFM8K
    • Cards with intelligent 1k bytes EEPROM with write-protect function, including:
      • Infineon: SLE4418, SLE4428, SLE5518 and SLE5528
    • Cards with intelligent 256 bytes EEPROM with write-protect function, including:
      • Infineon: SLE4432, SLE4442, SLE5532 and SLE5542
  • Supports PPS (Protocol and Parameters Selection)
  • Features Short Circuit Protection
  • Application Programming Interface:
    • Supports PC/SC
    • Supports CT-API (through wrapper on top of PC/SC)
Dimensions 49.5 mm (L) x 21.5 mm (W) x 9.0 mm (H)
Compliance / Certifications
  • EN60950/IEC 60950, ISO7816, CE, FCC, VCCI, PC/SC, CCID, RoHS, REACH, USB Full Speed
  • Microsoft WHQL: 2000, XP, Vista, 7, 8, 8.1,Server 2003, Server 2008,Server 2008 R2, Server 2012, Server 2012 R2
Interface Micro USB (OTG) Full Speed
Supply Voltage Regulated 5 V DC
Supply Current Max. 50 mA
Operating Temperature 0-50 °C
CLK Frequency 4.8 MHz
Smart Card Interface Support
  • ISO 7816 Class A, B and C ( 5 V, 3 V, 1.8 V )
Operating System Support
  • Win CE, Win 98, Win ME, Win 2000, Win 2003, Win 2003 R2, Win XP, Win Vista, Win 2008, Win 7, Win 8, Win 8.1
  • Win XP x64, Win 2003 x64, Win 2003 R2 x64, Win Vista x64, Win 2008 x64, Win 2008 R2 x64, Win 7 x64, Win 8 x64, Win 8.1 x64, Win 2012 x64, Win 2012 R2 x64
  • Mac
  • Linux
  • Android™ 3.1 and above
Drivers for ACR39T-A3 OS Support
USB Interface
MSI Installer for PC/SC Driver  5 MB
Version 4.2.6.1
11-Oct-2017
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  921 KB
Version 4.2.6.0
14-Sep-2017
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 1.1.5
27-Oct-2017
Linux ®
PC/SC Driver Installer  251 KB
Version 1.1.5
23-Oct-2017
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
PC/SC Driver Installer 
Version 1.0.8
16-Feb-2017
Solaris 10, 11 and above
PC/SC Drivers  455 KB
Version 1.1.5
23-Oct-2017
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  472 KB
Version 1.1.3
31-Mar-2016
Android 3.1 and above



Manuals & Datasheets for ACR39T-A3
Product Presentation

Product Presentation of ACR39T-A3

Technical Specification

Technical Specification of ACR39T-A3

Reference Manual

Reference Manual of ACR39T-A3