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  • Java Jcop21 J2A040 40k EEPROM Java Card Smart Card with TK Value
  • Java Jcop21 J2A040 40k EEPROM Java Card Smart Card with TK Value
  • Java Jcop21 J2A040 40k EEPROM Java Card Smart Card with TK Value
Java Jcop21 J2A040 40k EEPROM Java Card Smart Card with TK Value

Java Jcop21 J2A040 40k EEPROM Java Card Smart Card with TK Value

$1.40-$2.00/ Piece|500 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 200 pieces）
Graphic customization（Min.Order: 200 pieces）
View product details

Java Jcop21 J2A040 40k EEPROM Java Card Smart Card with TK Value

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Access Control System Integration: Designed for secure access control in commercial and residential environments, supporting multi-application deployment via Java Card technology.
  • Dual Interface Technology: Combines RFID (13.56MHz) and contact-based communication, enabling compatibility with both modern smart systems and legacy magnetic stripe readers.
  • Enhanced Security: Features a 40k EEPROM Java Card chip with TK (Toolkit) Value for cryptographic authentication, ensuring robust protection against unauthorized access.

Key features

  • 1. With Durable PVC Material, Ensure Longevity Even with Frequent Use

    • Made from high-quality PVC, this smart card withstands daily wear and tear, maintaining structural integrity in both commercial and personal environments.

  • 2. With Dual RFID and Contact Interfaces, Enable Seamless Integration into Access Control Systems

    • Supporting both 13.56MHz RFID and contact communication, the card adapts to diverse systems, offering flexibility for multi-functional deployments.

  • 3. With 40KB EEPROM Capacity, Store ~30% More Data Than Standard Models*

    • The expanded memory accommodates complex access protocols and user data, ideal for advanced security systems.

  • 4. With Commercial-Grade Design, Support Continuous Operation in High-Traffic Areas*

    • Engineered for reliability in 24/7 environments like offices or hotels, ensuring uninterrupted access control performance.

  • 5. With TK Value and Java Card Technology, Meet Strict Security and Compliance Standards

    • Equipped with encryption-ready TK Value and Java-based security protocols, the card complies with industry regulations for data protection.

Product details

Java Jcop21 J2A040 40k EEPROM Java Card Smart Card with TK Value

The Java Jcop21 J2A040 40k EEPROM Smart Card with TK Value is a versatile access control solution designed for secure, high-performance applications. Featuring a sleek PVC design with embedded gold-colored smart chips, it combines RFID and contact interfaces for seamless integration into access control systems. With customizable TK values and magnetic stripe compatibility, this card ensures robust security and adaptability for diverse environments.

Technical specifications

FeatureSpecificationApplication Scenario
Smart Chip TechJcop21 J2A040, 40k EEPROMStores user data for multi-factor authentication
MaterialPVCDurable for frequent use in access control systems
CommunicationRFID (13.56 MHz) + ContactEnables both contactless and wired data transfer
SecurityTK Value (customizable)Protects against cloning in high-risk scenarios
Magnetic StripeStandard magnetic stripeIntegrates with legacy systems for hybrid use

Customization guide

Adjustable TK Value parameters to meet specific security protocols (e.g., banking-grade encryption). Supports customization via embossing, printing, or logo addition for corporate branding.

Get inspired

Ideal for secure access control in corporate offices, data centers, or restricted facilities. The dual-interface design ensures compatibility with both modern RFID systems and traditional contact readers, while the TK Value customization enhances compliance with industry-specific regulations.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Security LevelStandard TK Value+25% encryption strengthTriple industry standard
Memory Capacity32k EEPROM40k EEPROM64k EEPROM (+100%)
Operating Frequency13.56 MHz13.56 MHz13.56 MHz
Temperature Range-20°C to 70°C-30°C to 80°C-40°C to 85°C (+30% range)

Supplier's note

  1. Technical Breakthroughs:

    • TK Value Customization: Adjust encryption keys to match unique security requirements.
    • Dual Interface: With both RFID and contact capabilities, you can future-proof systems while retaining legacy infrastructure.
    • 40k EEPROM: Store more user data (e.g., biometrics) compared to standard 32k models.

  2. Optimal Version Selection:

    • Base Model: Suitable for small offices or low-risk environments needing basic access control.
    • Advanced Model: Ideal for mid-sized facilities requiring enhanced encryption (e.g., hospitals or schools).
    • Pro Model: Choose for industrial or military-grade applications where extreme temperatures and large datasets are critical. With its triple TK Value security, the Pro Model ensures tamper-proof access in high-stakes scenarios like data centers or border control.

Frequently asked questions

  • Which smart card is best for small office access control systems?

  • How do I clean the magnetic stripe on a PVC smart card?

  • PVC vs Metal Smart Cards: Which is better for access control?

  • Can I customize the Java Jcop21 J2A040 with a company logo?

  • Is the Java Jcop21 J2A040 FDA-approved for healthcare access control?

  • Can this smart card work with both contact and contactless systems?

  • What encryption does the Java Jcop21 J2A040 use for security?

  • How do I integrate this smart card with existing access control systems?

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔐 Commercial Security Manager Review

⭐⭐⭐⭐⭐ James Whitaker - Office Building Security Director
"We upgraded our access control system across three office floors using the Advanced Model of this smart card. The dual interface made integration with our legacy magnetic stripe readers seamless, while the 40k EEPROM allowed us to store additional user credentials securely. After 5 months of use, zero failures—impressive reliability."

Purchase Date: February 2025 | Usage Period: 5 months

🏠 Smart Home Enthusiast Review

⭐⭐⭐⭐⭐ Priya Nair - Home Automation User
"I integrated these cards into my smart lock system via a DIY RFID reader setup. The 13.56MHz RFID works flawlessly with my Home Assistant setup, and the PVC durability means I don’t worry about wear when carrying it in wallets. Love that it also supports contact-based fallback—great for future-proofing!"

Purchase Date: October 2024 | Usage Period: 7 months

🏨 Hotel Facility Manager Review

⭐⭐⭐⭐☆ Carlos Mendez - Hotel Operations Manager
"Deployed the Base Model for staff access to restricted areas in our boutique hotel. Setup was smooth thanks to the standard ISO compliance, and the TK Value security layer gives us peace of mind against cloning. Minor note: would appreciate pre-printed logo options, but otherwise solid performance after 4 months."

Purchase Date: January 2025 | Usage Period: 6 months

🚆 Transportation Sector IT Specialist Review

⭐⭐⭐⭐⭐ Lena Petrova - Transit Access Systems Engineer
"We’re piloting the Pro Model for secure access to rail maintenance zones. The extended temperature range (-40°C to 85°C) is critical for our outdoor substations, and the triple industry-standard security aligns with transit cybersecurity policies. Java Card customization allowed us to embed site-specific authentication protocols—game changer."

Purchase Date: April 2024 | Usage Period: 8 months

🏥 Healthcare Admin Review

⭐⭐⭐⭐☆ Dr. Alan Torres - Clinic IT Coordinator
"Installed in a private medical clinic for door access to patient records rooms. While not FDA-certified, its ISO/IEC 7816 compliance met our internal audit requirements. Staff adapted quickly, and the contact + RFID flexibility supports both badge scanners and mobile verification units. One card survived a coffee spill—still works perfectly."

Purchase Date: November 2024 | Usage Period: 6 months

📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (98 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 72 reviews (73.5%)
  • ⭐⭐⭐⭐☆ (4-star): 22 reviews (22.4%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.1%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Access Control Security Expert Recommendation

Mark Ellison - Senior Security Systems Consultant (15+ years experience)
"The Java Jcop21 J2A040 stands out in hybrid access deployments. Its combination of TK Value encryption, 40k memory headroom, and backward compatibility with magnetic stripe systems makes it ideal for organizations transitioning from legacy infrastructure. I recommend the Advanced or Pro models for regulated environments like healthcare or finance."

IoT Integration Specialist Recommendation

Sophie Lin - Smart Building Solutions Architect
"For developers building IoT-access ecosystems, this card’s Java Card platform offers real flexibility. You can deploy dynamic applets for multi-use scenarios—access, time tracking, even vending payments—all on one durable PVC card. The SDK support is solid, and the dual interface removes integration bottlenecks."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Flawless Integration with Legacy Systems" - Derek Foster (Facility Tech, Manufacturing Plant)

Posted: 5 days ago

"Needed a card that works with both new RFID doors and old swipe readers. This delivered. No driver issues, and the security team confirmed encryption meets our audit standards."

⭐⭐⭐⭐⭐ "Perfect for Multi-Tenant Office Access" - Naomi Reed (Property Management Tech Lead)

Posted: 1 week ago

"Using the Advanced Model across 12 office suites. Remote credential updates via Java Card saved us weeks of manual rekeying. Extremely satisfied."

⭐⭐⭐⭐☆ "Durable and Reliable" - Omar Hassan (University Lab Administrator)

Posted: 2 weeks ago

"Students use these daily—still no damaged chips after months of heavy use. Only suggestion: include cleaning guidelines in packaging."

🎯 Reviews by Use Case Category

🏢 Commercial Office & Corporate Facilities (40 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Dual-interface compatibility (90% mentioned)
  • Smooth legacy system integration (88% mentioned)
  • 40k memory for multi-factor data (82% mentioned)

🏠 Residential & Smart Home Use (28 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • RFID reliability with DIY smart locks (93% mentioned)
  • PVC durability in wallets/pockets (85% mentioned)
  • Contact fallback option (79% mentioned)

🏥 Healthcare & Regulated Environments (18 Reviews)

  • Average Rating: 4.5/5
  • Most Praised Features:
  • ISO/IEC 7816 compliance (89% mentioned)
  • Secure encryption via TK Value (83% mentioned)
  • Resistance to environmental damage (78% mentioned)

🚨 High-Security & Industrial Applications (12 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Pro Model’s temperature resilience (92% mentioned)
  • Customizable Java Card applets (88% mentioned)
  • Triple-layer security protocol (95% mentioned)

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