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-A6/A7 is built of premium configuration, 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, Android™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)
    • 1 x Built-in Button
Physical Characteristics
Dimensions (mm) ACR40T-A6: 49.5mm (L) × 17.7mm (W) × 8.0mm (H)
ACR40T-A7: 45.9mm (L) × 17.7mm (W) × 8.0mm (H)
Weight (g) ACR40T-A6: 8.1 g ± 1.0 g
ACR40T-A7: 6.2 g ± 1.0 g
USB Interface
Protocol USB CCID
Connector Type USB Type-A
USB Type-C
Power Source USB Port
Speed USB Full Speed (12Mbps)
Compatible with USB 3.0
Contact Smart Card Interface
Number of Slots 1 SIM-Sized Card Slot (2FF)
Protocol T=0; T=1
Built-in Peripherals
Buttons 1
LED Green
Other Features
Other Features Supports Firmware Upgrade
Certifications/Compliance
Certifications/Compliance Standards:
  • USB CCID, PC/SC, Microsoft® WHQL, TAA
Regulatory/ Environmental:
  • UL 62368, CE, UKCA, FCC, RoHS, REACH, VCCI, WEEE
Device Driver Operating System Support
Device Driver Operating System Support Windows®, Linux®, macOS, iOS, iPadOS, Android™
Drivers & Utilities for ACR40T (Premium)
USB Interface OS Support
PC/SC Driver Installer  4.77 MB
Version 1.0.4.0
07-Sep-2023
Windows®
PC/SC Driver Package  3.17 MB
Version 1.1.10
04-Aug-2023
Linux®
PC/SC Driver Installer  279.71 KB
Version 1.1.11.1
26-Aug-2024
macOS®
Android EVK  1.56 MB
Version 1.1.6
21-Dec-2023
Android™ 3.1 or above
ACS ApduTool (iOS)  118.31 KB
Version 1.2
23-Feb-2024
iOS 16.2 or later



Manuals & Datasheets for ACR40T (Premium)
Reference Manual

Reference Manual of ACR40T USB SIM-Sized Smart Card Reader

Technical Specification

Technical Specification of ACR40T USB SIM-Sized Smart Card Reader

User Manual

User Manual of ACR40T USB SIM-Sized Smart Card Reader