
JCOS A21CR Java Card – Buy A21CR Java Card Operating System and Smart Card OS
JCOS A21CR Java Card
- Model: FT-JCOS
- Part Number: A21CR
- FT-JCOS Model No: JCOS A21CR Java Card
- Java Card: 2.2.2
- Platform: GlobalPlatform: 2.1.1
- Interface: Dual Interface (Contact + Contactless)
- Total NVM: 80 KByte
- Cryptographic Algorithms: AES DES SHA1 SHA256 RSA ECC
JCOS A21CR Java Card
JCOS A21CR Java Card – Buy A21CR Java Card Operating System & Smart Card OS
The JCOS A21CR Java Card is a secure dual-interface smart card designed for developers, system integrators, and organizations building secure authentication, identity, payment, IoT, transportation, and access control applications. Based on Java Card 2.2.2 and GlobalPlatform 2.1.1, the card provides a flexible and standards-based environment for deploying multiple Java Card applets on a single smart card.
If you are looking to buy A21CR Java Card Operating System and Smart Card OS, the JCOS A21CR Java Card offers reliable performance, strong cryptographic capabilities, and compatibility with Java Card development tools.
Key Features
- Java Card 2.2.2 compliant platform
- GlobalPlatform 2.1.1 compatible
- Dual Interface (Contact + Contactless)
- 80 KB Non-Volatile Memory (NVM)
- Multi-application support
- Secure Java Card Operating System
- Suitable for custom Java Card applet development
- Supports industry-standard cryptographic algorithms
Technical Specifications
| Specification | Details |
|---|---|
| Model | FT-JCOS |
| Part Number | A21CR |
| Product Name | JCOS A21CR Java Card |
| Java Card Version | 2.2.2 |
| GlobalPlatform Version | 2.1.1 |
| Interface | Dual Interface (Contact + Contactless) |
| Total NVM | 80 KB |
| Cryptographic Algorithms | AES, DES, SHA-1, SHA-256, RSA, ECC |
Advanced Security
The A21CR Java Card is equipped with modern cryptographic functions to support secure application deployment and data protection.
Supported algorithms include:
- AES
- DES
- SHA-1
- SHA-256
- RSA
- ECC (Elliptic Curve Cryptography)
These algorithms make the card suitable for secure authentication, digital identity, PKI, encryption, digital signatures, and confidential data storage.
Dual Interface Smart Card
The A21CR Java Card supports both:
- Contact Smart Card Interface (ISO 7816)
- Contactless Smart Card Interface (NFC/ISO 14443 compatible hardware depending on implementation)
The dual-interface design allows the same card to operate with smart card readers as well as compatible contactless readers, providing flexibility across different applications.
Java Card 2.2.2 Platform
Built on Java Card 2.2.2, the JCOS A21CR enables developers to install and manage multiple Java Card applets securely while maintaining application isolation. Java Card technology is designed for resource-constrained secure elements and supports interoperable applet deployment across compliant implementations.
GlobalPlatform 2.1.1 Support
GlobalPlatform 2.1.1 provides a standardized framework for secure application lifecycle management, including applet installation, personalization, and management. This enables organizations to securely manage multiple applications on a single smart card.
Applications
The A21CR Java Card is suitable for:
- PKI Authentication
- Digital Identity Cards
- Employee ID Cards
- Government ID Projects
- Banking & Payment Applications
- Secure Access Control
- IoT Device Authentication
- Healthcare Cards
- Public Transport Ticketing
- Campus Cards
- Loyalty Programs
- Secure Login Solutions
- Java Card Applet Development
- Security Research and Testing
Why Choose A21CR Java Card?
- Industry-standard Java Card platform
- Dual-interface connectivity
- High-performance secure operating system
- Strong cryptographic support
- 80 KB secure memory
- Supports multiple secure applications
- Compatible with Java Card development environments
- Reliable solution for enterprise and embedded security applications
Purchase A21CR Java Card
Looking to purchase A21CR Java Card Operating System and Smart Card OS? The JCOS A21CR Java Card is an excellent choice for organizations and developers requiring a secure, programmable smart card platform with Java Card 2.2.2, GlobalPlatform 2.1.1 compatibility, dual-interface communication, and robust cryptographic capabilities.

Buy A21CR Java Card Operating System & Smart Card OS
Buy JCOS A21CR Java Card from Aft India with Java Card 2.2.2 and GlobalPlatform 2.1.1. Dual Interface Smart Card featuring 80KB NVM, AES, DES, SHA-256, RSA, and ECC security for authentication, PKI, IoT, payment, and secure application development.