ACR122S Serial NFC Reader

USD59.00 per unit

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ACR122S Serial NFC Reader ImageACR122S Serial NFC Reader ImageACR122S Serial NFC Reader Image

The ACR122S NFC Contactless Smart Card Reader is the serial interface reader in the ACR122 family developed based on the 13.56 MHz Contactless (RFID) Technology and compliant with the ISO/IEC 18092 Standard for Near Field Communication (NFC). It supports MIFARE®, ISO 14443 Type A and B, and all four types of NFC tags.

ACR122S is a plug-and-play device which does not require any driver installation. It comes with a built-in ISO 7816 SAM slot for enhanced security, plus a buzzer and two LEDs for rich user interaction. ACR122S can also read and write faster and more efficiently by making use of up to 424 Kbps for tag access. The proximity operating distance of ACR122S is up to 5 cm, depending on the type of tag used.

ACR122S is also available in module form for easy integration into bigger machines, like POS terminals, physical access devices and vending machines. Typical applications of the ACR122S reader include e-payment, e-ticketing for events and mass transit, toll road fare collection, and network authentication.

  • Serial RS-232 Interface: Baud Rate = 115200 bps, 8-N-1    
  • USB interface for power supply    
  • CCID-like fram format (Binary format)    
  • Smart Card Reader:    
    • Read/Write speed of up to 424 kbps    
    • 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, MIFARE, FeliCa, and all 4 types of NFC (ISO/IEC 18092) tags
    • Built-in anti-collision feature (only one tag is accessed at any time)    
    • ISO 7816-compliant SAM slot    
  • Built-in Peripherals:    
    • Two user-controllable LEDs    
    • User-controllable buzzer    



  • e-Government
  • Banking & Payment
  • Access Control
  • Network Security
  • e-Purse & Loyalty
  • Transportation
Dimensions 120.5 mm (L) x 72.0 mm (W) x 20.4 mm (H)
Weight 148.0 g
Compliance / Certifications
  • ISO 18092, ISO14443, CE, FCC, VCCI, KC,  RoHS 2
Interface RS232 for data communication, USB for power transmission
Operating Distance Up to 50 mm (depends on the tag type)
Supply Voltage Regulated 5V DC
Supply Current 200 mA (operating); 50 mA (standby); 100 mA (normal)
Operating Temperature 0 - 50 °C
Operating Frequency 13.56 MHz
Smart Card Interface Support
  • ISO14443 Type A & B
  • MIFARE
  • FeliCa
  • 4 types of NFC (ISO/IEC18092) tags
Operating System Support
  • Windows®
  • Linux®