ACS develops smart card operating systems (ACOS) as its intellectual property. Developed by our dedicated team of specialists, the ACOS3 Microprocessor Card unlocks the potential of a smart card. It enables a single card to support various applications such as loyalty program, parking registration, access control, eID, and electronic purse.

ACOS3 is specifically designed for highly secure payment applications. Featuring a high degree of security, ACOS3 is particularly suitable for secure loyalty programs, identification and e-Purse applications. Likewise, it may be utilized for common payment solutions.

Additionally, security provided by ACOS3 may be further enhanced by utilizing ACOS6-SAM, which, by enabling Mutual Authentication, Secure Messaging, Key Diversification and Key Injection, perfectly secures various applications.

  • Full 8KB of EEPROM memory for application data
  • Compliance with ISO 14443 Parts 1, 2, 3, and 4
    • Fully compatible with ISO14443A
    • Supports T = CL protocol
    • Supports high-speed transmission rate from 106 to 848 kbps
  • Supports DES/3DES and MAC
  • Has five secret codes + Issuer code
  • Has PIN code that may be updated by the card holder
  • Supports Key Pair for Mutual Authentication
  • Supports Session Key based on FIPS140-2 compliant true random numbers
  • Supports Secure Messaging to ensure that the data is secured from third party attacks
  • Supports Account File Data Structure that can be enabled for secure purse/payment applications
Manuals & Datasheets for ACOS3 (CL)
Product Presentation

Product Presentation of ACOS3 Contact/Contactless/Combi card

Functional Specification

Functional Specification of ACOS3 Microprocessor Card (Contactless)

Reference Manual

Reference Manual of ACOS3 Microprocessor Card (Contactless)