ACR1281U-C2 Card UID Reader is a contactless card reader that automatically and efficiently gets the Unique Identifier number (UID) of any ISO 14443 Parts 1-4 Type A and B-compliant contactless card.  

When presented with a contactless card (such as a MIFARE card), the ACR1281U-C2 retrieves the card’s UID and automatically returns it to the PC. The reader enables output of the UID directly to any editor, e.g. Notepad, MS Excel, MS Word, etc. With the UID, cardholders can be identified correctly in different applications, such as identity verification, time & attendance, and access control.  ACR1281U-C2 also has an anti-collision feature that ensures only one card is accessed when multiple cards are presented simultaneously.

Because ACR1281U-C2 Card UID Reader is compliant with the Human Interface Device (HID) standard, it reduces driver installation issues during integration into PC environments. It can support most operating systems, including Microsoft® Windows, Linux and other embedded systems.

  • USB 2.0 Full Speed Interface
  • USB HID Keyboard Class
  • Contactless Card Support:
    • Read/write speed of up to 848 kbps
    • Built-in antenna for contactless tag access, with card reading distance of up to 50 mm (depending on tag type)
    • Supports ISO 14443 Part 4 Type A and B cards and MIFARE series
    • Built-in anti-collision feature (only one tag is accessed at any time)
  • USB Firmware Upgradability
  • e-Government
  • Banking & Payment
  • e-Healthcare
  • Network Security
  • Access Control
  • e-Purse & Loyalty
  • Transportation
Dimensions 120.5 mm (L) x 72 mm (W) x 20.4 mm (H)
Weight 140 g
  • USB Full Speed
  • USB HID Keyboard Class
Operating Distance Up to 50 mm (depends on the tag type)
Supply Voltage Regulated 5V DC
Supply Current 200mA (operating); 50mA (standby)
Operating Temperature 0-50 °C
Operating Frequency 13.56 MHz
Smart Card Interface Support
  • ISO 14443 Type A & B
Compliance / Certifications
  • ISO 14443, CE, FCC, RoHS2, USB Full Speed
Operating System Support  
  • Windows®
  • Linux®

Drivers for ACR1281U-C2

Release Date Drivers OS Support Version File Size Notes
Driver Not Applicable For This Product

Manuals / Datasheets for ACR1281U-C2

Product Presentation

Product Presentation of ACR1281U-C2 Card UID Reader

Reference Manual

Reference Manual of ACR1281U-C2 Card UID Reader

Technical Specification

Technical Specification of ACR1281U-C2 Card UID Reader