Overview
ACR39U-W1 is a sleek and stylish device that features an innovative dual slot design to accommodate two smart cards simultaneously.
ACR39U-W1 supports 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, the Malaysian Identity Card (Mykad), and a wide variety of memory cards in the market. The competitive advantage of ACR39U-W1 lies on its dual slot feature that allows users to operate two smart cards at the same time, enabling efficiency and enhanced security in smart card applications. As an 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 ACR39U-W1's dual slot solution, the card slots can work independently resulting in smoother and uninterrupted flow of transactions. It is also highly durable as it is able to last for 100,000 card insertion cycles.
Compliant with both CCID and PC/SC, ACR39U-W1 can be used on Windows®, Linux®, macOS, and Android™.
Key Attributes: PC-Linked, USB, Dual Contact Card Slots
Features
- USB 2.0 Full Speed (12 Mbps)
- Compatible with USB 3.0
- Supports two full-sized ISO 7816 Class A, B and C (5 V, 3 V, 1.8 V) Smart Cards: - Supports Microprocessor Card (T=0 or 1) - Supports CAC & PIV Smart Card - Supports Memory Cards - Supports Mykad Card - 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)
- Peripherals: - 2 x Programmable LED (Blue & Green)
Technical Specifications
| Physical Characteristics | |
|---|---|
| Dimensions (mm) | 103.5 mm (L) x 85.0 mm (W) x 59.9 mm (H) |
| Weight (g) | 310 g ± 5.0g |
| USB Interface | |
| Protocol | USB CCID |
| Connector Type | USB Type-A |
| Power Source | USB port |
| Speed | USB 2.0 Full Speed (12 Mbps) |
| Cable Length | 1.5m (Non-Detachable) |
| Contact Smart Card Interface | |
| Number of Slots | 2 Full-sized Card Slots |
| Standard | ISO 7816 Parts 1-4, Class A, B, C (5 V, 3 V, 1.8 V) |
| Protocol | T=0; T=1; Memory card Support |
| Others | Mykad Card, CAC, J-LIS, PIV, SIPRNET Smart Cards |
| Built-in Peripherals | |
| LED | 2 x Programmable LEDs Blue & Green |
| Other Features | |
| Firmware Upgrade | Supported |
| Certifications/Compliance | |
| Certifications/Compliance | Standards: USB CCID, PC/SC, Microsoft® WHQL. Regulatory/Environmental: CE, IEC/EN 62368, FCC, VCCI, RoHS, REACH, WEEE |
| Device Driver Operating System Support | |
| Device Driver Operating System Support | Windows®, Linux®, macOS, Android™ |
Images
Downloads
| Type | Title | Size | Updated |
|---|---|---|---|
| Driver | MSI Installer for PC/SC Driver - v2.0.0.0 (Windows 7/8/8.1/10/11, Server 2003-2016 R2) | 3.73 MB | 16-Jun-2022 |
| Driver | PC/SC Drivers - v2.0.0.0 (Windows 7/8/8.1/10/11, Server 2003-2016 R2) | 98.17 KB | 16-Jun-2022 |
| Software | ACS ApduTool (iOS) - v1.2 (iOS and iPadOS 16.2 or above) | 118.31 KB | 23-Feb-2024 |
| Driver | PC/SC Driver Installer - v4.4.2.1 (Windows®) | 5.02 MB | 11-Dec-2025 |
| Driver | PC/SC Driver Installer - v1.1.13 (Linux®) | 4.30 MB | 20-Nov-2025 |
| Driver | PC/SC Driver Installer - v1.1.13 (macOS®) | 281.65 KB | 17-Nov-2025 |
| Software | Android EVK - v1.1.8 (Android™ 3.1 or above) | 1.46 MB | 25-Nov-2025 |
| Manual | Reference Manual of ACR39 Series Smart Card Reader | — | — |
| Datasheet | Technical Specification of ACR39U-W1 Smart Card Reader | — | — |