ST-ACR122U 13.56Mhz NFC Card Reader and Writer

Short Description:

  1. The ACR122U is a PC-linked contactless smart card reader/writer developed on the 13.56 MHz contactless technology.
  2. It is the world’s first CCID-Compliant contactless card reader/writer that follows both ISO 14443 and ISO18092.
  3. This device is designed to support not only Mifare and ISO 14443
  4. Type A and B cards, but also FeliCa and NFC tags.

Product Detail

Product Tags


l USB 2.0 Full Speed Interface

l Read/Write speed of up to 424 kbps

l CCID Compliance

l Built-in antenna for contactless tag access, with card reading distance of up to 50 mm (depending on tag type)

l Support for ISO 14443 Part 4 Type A and B cards, Mifare, FeliCa, and all four types of NFC (ISO/IEC 18092 tags)

l Built-in anti-collision feature (only one tag is accessed at any time)

Application Programming Interface:

l Supports CT-API (through wrapper on top of PC/SC)

l Built-in Peripherals:

l User-controllable bi-color LED

l User-controllable buzzer

l Supports Android TM OS 3.1 and above

Compliant with the following standards:

l Supports KC,VCCI, PC/SC, CCID, Microsoft WHQL


Typical Applications

l E-Government

l E-Banking and e-Payment

l E-Healthcare

l Transportation

l Network Security

l Access Control

l Loyalty Program

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