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The ACR1281 USB SDK from ACS is an in depth development package combining both contact and contactless technologies. The kit contains a mix of contact and contactless smartcards, the ACR1281 dual interface reader from ACS and a wealth of development tools including demo programs, utilities and sample codes written in several programming languages providing users with a cost effective development solution.

The ACR1281 dual interface USB smartcard reader from ACS is the second generation of the ACR128 reader featuring improved performance and firmware upgradability. The ACR1281 reader is a dual interface USB PC-linked reader and is compliant to ISO 7816 for contact cards and ISO 14443 for contactless cards. The dual interface feature economically supports end-user environments where both contactless and contact smartcard technology may be in use. To ensure security within your applications the ACR128 has a built-in SAM card slot, for which an ACOS6 SAM card is supplied.

For a complete summary of the contents of the SDK CD click on the ‘More info’ button below.

This kit contains
  • 1 x ACR1281 Contactless Smart Card Reader
  • 5 x 1K MIFARE contactless Cards
  • 5 x ACOS3 32Kbytes Microprocessor-based cards
  • 1 x ACOS6 SAM card
  • 1 x SDK CD


1 Year Manufacturers Warranty

Standards and Certifications
ISO-7816 1-3 (contact card reader)
ISO14443 1-4 (contactless card reader)
PC/SC 2.01

Technical Specifications:
Connection methodUSB
Supplied voltageRegulated 5V DC
Supplied current200mA (operating); 50mA (standby)
Operating Distance<= 50 mm
Operating Frequencies for PICC13.56 MHz
Operating Frequency for ICC and SAM3.58 MHz
Operating System SupportWindows 98, ME, 2000, XP, Vista, 7

User-controllable monotone buzzer
Two User Controllable LEDS
Supports Multi-Block Transfer Mode
High-speed communication (e.g. 424 kbps, 848 kbps)
Support Major ISO14443 Type A/ B cards
Native T=CL support for ISO14443-4
T=CL emulation for MIFARE Classic PICCs., e.g. MIFARE 1K, 4K, Mini and Ultralight
Durable landing-typed Smart Card connector
Built-in SAM card slot
Support major ISO7816 cards
Built-in Antenna

SDK CD-ROM Contains:

(When purchased as part of an SDK)
Software driversSupports Windows2000, XP, 2003, and VISTA
Demo programsACR128 Multi-Application demo - shows a real world business application.
Utility ToolsACR128 Tool – enables users to perform reader and contactless card (ISO 14443 Type A & B, MIFARE) related commands
ACS Card Tool – allows users to send commands from a PC/SC compliant smart card reader to an ISO7816 compliant smartcard
ACS QuickView - checks for proper driver installation
ACS Easy Key – helps to change MIFARE security settings
Sample CodesDemonstrates basic commands used to communicate with the ACR128 reader and the smart cards
Visual Basic 6, Visual C++ 6, Visual C++ 2005 (x64), Delphi 7, VB.NET 2005, Visual C# 2005
Reference ManualsEasy to use reference manuals to help with the development process
Technical SpecificationsIncludes detailed technical specifications of all the contained products
Firmware upgradable

Manufacturer: ACS

Connection Method: USB


Due to staffing shortages caused by COVID-19 we are currently taking longer than normal to process and ship orders. Our apologies for any delays - we hope to be back to normal soon!

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