ACR40T is ACS’s newest compact high-speed USB contact SIM-sized smart card reader.  It supports firmware upgrade, as well as ISO 7816 Class A, B and C smart cards (5 V, 3 V, 1.8 V), microprocessor cards with the T=0, T=1 protocol, and a wide variety of memory cards in the market.

Combining sophisticated and ground-breaking modern technology, the competitive advantage of ACR40T lies in its compact size and sliding smart card entry slot, allowing for hassle-free application. 

ACR40T is also available in premium, providing users with a built-in button for specific application usage. This function is also essential for acknowledging user presence as it ensures that the user is physically present in order to interact with the application.

Compliant with both CCID and PC/SC as well as Microsoft® WHQL, ACR40T is also compatible with various operating systems such as Windows®, Linux®, macOS, AndroidTM, and is able to connect with both USB Type-A and USB Type-C respectively.

PC-Linked USB SIM Card Slot Firmware Upgradeable
  • Supports Various Types of Contact Cards
    • ISO 7816 Class A, B and C (5 V, 3 V and 1.8 V)
    • Microprocessor Card (T=0, T=1)
    • Memory Card
    • Features Short Circuit Protection
  • Application Programming Interface:
    • Supports PC/SC
  • Built-in Peripherals
    • 1 x Programmable LED (Green)
Physical Characteristics
Dimensions (mm)
  • Type-A: 48.9mm (L) x 17.8mm (W) x 8.0mm (H)
  • Type-C: 44.7mm (L) x 17.8mm (W) x 8.0mm (H)
Weight (g)
  • Type-A: 7.63 g ± 0.76 g
  • Type-C: 5.20 g ± 0.52 g
USB Interface
Protocol USB CCID
Connector Type
  • USB Type-A
  • USB Type-C
Power Source From USB Port
Speed USB Full Speed (12Mbps)
Contact Smart Card Interface
Number of Slots 1 SIM-Sized Card Slot (2FF)
Protocol T=0; T=1
Built-in Peripherals
LED Green
Other Features
Other Features Supports Firmware Upgrade
Certifications/Compliance Certifications:
  • UL 62368
  • CE
  • UKCA
  • FCC
  • RoHS
  • VCCI
  • Microsoft® WHQL
  • PC/SC
Device Driver Operating System Support
Device Driver Operating System Support
  • Windows®
  • Linux®
  • macOS
  • AndroidTM
Drivers for ACR40T Series
USB Interface OS Support
MSI Installer for PC/SC Driver  3.65 MB

Manuals & Datasheets for ACR40T Series
Technical Specification

Technical Specification for ACR40T USB SIM-Sized Smart Card Reader