Contactless Near Field Communication (NFC) PC/SC Smart Card Reader II ACR1251 USB 2.0

Contactless Near Field Communication (NFC) PC/SC Smart Card Reader II ACR1251 USB 2.0 More Like This The ACR1251U-A1 is the second-generation Contactless Near Field Communication (NFC) Reader from ACS, which offers advanced features such as firmware upgradeability, a SAM (Secure Access Module) slot, and support for NFC tags and devices. It is ideal for contactless applications with added security functions. Through the SAM, key diversification and mutual authentication are made possible, restricting the exposure of keys and limiting the possibility of keys being stolen, providing a high level of security in contactless operations.

ACR1251U-A1 is suitable for any contactless smart card application such as personal identity verification, network login, online banking, and micropayment. With enhanced NFC features, ACR1251U-A1 is also ideal for non-conventional NFC applications like Smart Posters for advertising and marketing, and communication with most-NFC enabled mobile phones. Furthermore, ACR1251U-A1 is PC/SC-compliant, allowing interoperability across different applications and platforms. ACR1251U-A1 also supports remote post-deployment firmware update, which eliminates the need for additional hardware modification. With its compact size, trendy design and rich features, ACR1251U-A1 enables you to fully enjoy the convenience of using NFC applications.

Part Number and Description Price Add to Cart
PCM-CR-ACR1251 Contactless Near Field Communication (NFC) PC/SC Smart Card Reader II ACR1251 USB 2.0 $52.00 Contact sales via email

Features and Specifications

Win32 x86Unix MacOSX

CE Mark

USB Logo


Vista Ready

Seven Ready

Eight Ready

Ten Ready

For Android™

  • CCID Compliance
  • USB Firmware Upgradability
  • USB 2.0 Full Speed Interface
  • Smart Card Reader read/write speed up to 424 kbps
  • Supports Mifare 7-byte UID, Mifare Plus and Mifare DESFire
  • Built-in anti-collision feature (only 1 tag is accessed at any time)
  • Built-in antenna for contactless tag access, with card reading distance of up to 50 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
  • Application Programming Interface Supports PC/SC and CT-API (through wrapper on top of PC/SC)
  • Peripherals User-controllable bi-color LED, User-controllable buzzer, SAM Slot
  • ISO 7816 compliant SAM slot
Warranty Information
  • 1 Year Limited Warranty
Typical Applications
  • e-Government
  • e-Banking  and e-Payment
  • e-Healthcare
  • Access Control
  • Network Security
  • e-Purse and Loyalty
  • Transportation
  • Smart Poster
  • 98 x 65 x 12.8 mm (LWH)
  • 73g
  • USB Full Speed
Operating Distance
  • Up to 50 mm (depends on the tag type)
Supply Voltage
  • Regulated 5V DC
Supply Current
  • 200mA (operating)
Operating Temperature
  • 0-50°C
Operating Frequency
  • 13.56 MHz
Smart Card Interface Support
  • ISO14443 Type A and B
  • Mifare
  • FeliCa
  • 4 types of NFC (ISO/IEC18092) tags
  • ISO 14443, ISO 18092, ISO 7816, LASCOM, CE, FCC, VCCI, PC/SC, CCID, RoHS, USB Full Speed
  • Microsoft WHQL: Windows 2000, XP, Vista, 7, 8
Operating System Support
  • Win 98, Win ME, Win 2000, Win XP, Win Vista, Win 7, Win 8, Win Server 2003, Win Server 2003 R2, Win Server 2008, 10
  • Win XP x64, Win Vista x64, Win 7 x64, Win 8 x64, Win Server 2003 x64, Win Server 2003 R2 x64, Win Server 2008 x64, Win Server 2008 R2 x64, Win Server 2012 x64, 10
  • Linux
  • Mac
  • Android 3.1 and above


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