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. 

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)
Physical Characteristics
Dimensions (mm)
  • ACR40T-A1: 48.9mm (L) × 17.7mm (W) × 8.0mm (H)
  • ACR40T-A5: 44.7mm (L) × 17.7mm (W) × 8.0mm (H)
Weight (g)
  • ACR40T-A1: 6.8 g ± 1.0 g
  • ACR40T-A5: 5.3 g ± 1.0 g
USB Interface
Connector Type
  • USB Type-A
  • USB Type-C
Power Source
  • From USB Port
  • USB Full Speed (12Mbps)
Contact Smart Card Interface
Number of Slots
  • 1 SIM-Sized Card Slot (2FF)
  • T=0; T=1
Built-in Peripherals
  • Green
Other Features
Other Features
  • Supports Firmware Upgrade
  • Certifications:
    • UL 62368
    • CE
    • UKCA
    • FCC
    • RoHS
    • REACH
    • VCCI
    • Microsoft® WHQL
  • Compliances:
    • USB CCID
    • PC/SC
Device Driver Operating System Support
Device Driver Operating System Support
  • Windows®
  • Linux®
  • macOS
  • Android™
Drivers for ACR40T (Standard)
USB Interface OS Support
PC/SC Driver Installer  4.77 MB
PC/SC Driver Package  3.17 MB
Version 1.1.10
PC/SC Driver Installer  283.03 KB
Version 1.1.10
Android EVK  1.56 MB
Version 1.1.6
Android™ 3.1 or above

Manuals & Datasheets for ACR40T (Standard)
User Manual

User Manual of ACR40T USB SIM-Sized Smart Card Reader

Technical Specification

Technical Specification of ACR40T USB SIM-Sized Smart Card Reader

Reference Manual

Reference Manual of ACR40T USB SIM-Sized Smart Card Reader