Overview
The ACR1251T is the token version of ACR1251U USB NFC Reader II. ACR1251T offers advanced features such as firmware upgradeability and support for NFC tags and devices making it ideal for contactless applications with added security functions.
ACR1251T is suitable for any contactless smart card application such as personal identity verification, network login, online banking, and micropayment. With its enhanced NFC features, ACR1251T is also ideal for non-conventional NFC applications. Such applications include smart posters for advertising, marketing, and communication purposes.
Furthermore, ACR1251T is PC/SC-compliant, allowing interoperability across different applications and platforms. ACR1251T also supports remote post-deployment firmware update, which eliminates the need for additional hardware modification. With its compact size, portability and rich features, ACR1251T enables you to fully enjoy the convenience of using NFC applications.
Device features: PC-Linked, USB, Contactless Reader, NFC Reader, Firmware Upgradeable
Features
- USB Full Speed Interface
- CCID Compliance
- Smart Card Reader:
- - Contactless Interface:
- - Read/write speed up to 424 kbps
- - Built-in Antenna for contactless tag access, with card reading distance of up to 30 mm (depending on tag type)
- - Supports ISO 14443 Type A and B cards, MIFARE®, FeliCa, and all 4 types of NFC (ISO/IEC 18092) tags
- - Built-in anti-collision feature (only 1 tag is accessed at any time)
- - NFC Support: Card Reader/Writer Mode
- Built-in Peripherals:
- - LEDs: User-controllable Bi-color LED
- Application Programming Interface:
- - Supports PC/SC
- - Supports CT-API (through wrapper on top of PC/SC)
- USB Firmware Upgradeability
- Supports Android™ 3.1 and later
Technical Specifications
| Category | Details |
|---|---|
| Physical Characteristics | |
| Dimensions (mm) | 75.0 mm (L) x 30.0 mm (W) x 12.7 mm (H) |
| Weight (g) | 15.8 g |
| USB Interface | |
| Protocol | USB CCID |
| Connector Type | Standard Type A |
| Power Source | From USB Port |
| Speed | USB Full Speed (12 Mbps) |
| Contactless Smart Card Interface | |
| Standard | ISO/IEC 18092 NFC, ISO 14443 Type A & B, MIFARE®, FeliCa |
| Protocol | ISO14443-4 Compliant Cards, T=CL; MIFARE® Classic Card Protocol, T=CL; ISO 18092, NFC Tags; FeliCa |
| Built-in Peripherals | |
| LED | 1 Bi-color: Green and Red |
| Other Features | |
| Firmware Upgrade | Supported |
| Certifications/Compliance | |
| Certifications/Compliance | EN 60950/IEC 60950, ISO 18092, ISO 14443, USB Full Speed, PC/SC, CCID, VCCI (Japan), MIC (Japan), Microsoft® WHQL, CE, FCC, RoHS, REACH, 電子車検証対応 |
| Device Driver Operating System Support | |
| Device Driver Operating System Support | Windows® CE, Windows®, Linux®, MAC OS® 10.7 and later, Solaris, Android™ 3.1 and later |
Images
Downloads
| Type | Title | Size | Updated |
|---|---|---|---|
| Driver | MSI Installer for PC/SC Driver (Windows®) | 5.62 MB | 25-Jun-2018 |
| Driver | ACS ApduTool (iOS and iPadOS 16.2 or above) | 118.31 KB | 23-Feb-2024 |
| Driver | PC/SC Driver Installer (Windows®) | 5.02 MB | 11-Dec-2025 |
| Driver | PC/SC Driver Installer (Linux®) | 4.30 MB | 20-Nov-2025 |
| Driver | PC/SC Driver Installer (macOS®) | 281.65 KB | 17-Nov-2025 |
| Driver | Android EVK (Android™ 3.1 or above) | 1.46 MB | 25-Nov-2025 |
| Driver | PC/SC Drivers (Windows® XP–11, Server 2003–2016) | 1.06 MB | 22-Jun-2018 |
| Driver | PC/SC Drivers (Windows® CE 5.0/6.0/7.0) | 371 KB | 23-Nov-2015 |
| Datasheet | Technical Specification of ACR1251T USB Token NFC Reader II | — | — |
| Manual | Reference Manual of ACR1251T USB Token NFC Reader II | — | — |
| Brochure | Product Presentation of ACR1251T USB Token NFC Reader II | — | — |