advanced card systems ACR122U Technical Specifications
ACR122U
USB NFC Reader
Technical Specifications V3.06
Subject to change without prior notice info@acs.com.hk
www.acs.com.hk
Table of Contents
1.0. Introduction ............................................................................................................... 3
2.0. Features ..................................................................................................................... 4
3.0. Typical Applications ................................................................................................. 5
4.0. Technical Specifications .......................................................................................... 6
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ACR122U – Technical Specifications info@acs.com.hk
Version 3.06
www.acs.com.hk
1.0. Introduction
The ACR122U is a PC-linked contactless smart card reader/writer
developed on the 13.56 MHz contactless technology. It is the world’s first
CCID-compliant contactless card reader/writer that follows both ISO 14443
and ISO 18092. This device is designed to support not only MIFARE® and
ISO 14443 Type A and B cards but also FeliCa and NFC tags.
By making use of up to 424 Kbps read/write speed for NFC tag access and
up to 12 Mbps for USB full speed, ACR122U can efficiently read from and
write to various contactless cards/tags. It is also PC/SC-compliant which
allows interoperability across different applications and platforms.
You can experience the convenience in using ACR122U, with its compact size and the various
features it offers, for applications such as payment, access control, time and attendance, and mass
transit.
Page 3 of 7
ACR122U – Technical Specifications info@acs.com.hk
Version 3.06
www.acs.com.hk
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