ACR122-A9 RFID Contactless Smart Reader & Writer


1 in stock


  • Network access control
  • Bank & payment
  • NFC mobile ta
  • Public transportation terminal
  • Automatic fare collection
  • Physical access control
  • Customer loyalty
  • Time and attendance
  • Contactless public phone
  • Vending machine
  • USB 2.0 Full Speed ​​Interface
  • CCID Compliance
  • CCID-compliant
  • PC/SC-compliant
  • Read/write speed up to 424 kbps
  • Built-in antenna for contactless tag access, with card reading distance of up to 50mm (depending on tag type)
  • Supports ISO 14443 Type A and B, FeliCa, and all 4 types of NFC (ISO/IEC 18092) tags
  • Supports for RFID Ultralight C (via pseudo APDUs) and for RFID Plus SL1 (4 Byte UID, via pseudo APDUS) and SL3
  • Supports all 3 modes of NFC: reader, card emulation and peer-to-peer modes
  • Built-in anti-collision feature (at least 1 card is detected when multiple cards are presented)
  • USB PnP



  • Dimension: 98 mm (L) x 65 mm (W) x 12.8 mm (H)
  • Interface: USB Full Speed
  • Operating Distance: Less than or equal to 50mm (depends on tag type)
  • Supply Voltage: Regulated 5V DC
  • Supply Current: 200mA (operating); 50mA (standby); 100mA (normal)
  • Operating Temperature: 0-50°C
  • Operating Frequency: 13.56 MHz
  • Smart Card Interface Support: for ISO14443 Type A & B, for RFID, for FeliCa, 4 types of NFC (ISO/IEC18092) tags

Operating System Support:

Win 98, Win ME, Win 2000, Win XP, Win Vista, Win 7, Win Server 2003, Win Server 2008, Win XP x64, Win Vista x64, Win 7 x64, Win Server 2003 x64, Win Server 2008 x64, Win
Server 2008 R2 x64, Windows CE 5.0, Linux, Mac


What’s in the box:

  • 1 x ACR122U-A9 reader
  • 1 x Mini CD (SDK, Driver Installer, Sample Codes, User Manual)

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Additional information

Weight 0.11 kg

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