MIFARE DUOX Card Overview

MIFARE DUOX is a high-security contactless chip for secure access, automotive applications and EV charging.

 

We manufacture custom MIFARE DUOX cards for B2B projects, with 2K / 4K / 8K / 16K memory options, custom printing, encoding, personalization and sample testing.

 

MIFARE DUOX Specifications

Specification	Details
Frequency	13.56 MHz
Standard	ISO/IEC 14443 Type A
Additional Standard	ISO/IEC 7816-4
Chip	MIFARE DUOX
User Memory	2 KB / 4 KB / 8 KB / 16 KB
Size	CR80 (85.5 × 54 mm) or customized
Thickness	0.76 / 0.84 mm or customized
Materials	PVC / PET / PETG / PC / Paper
Personalization	Printing / Numbering / QR
Encoding	Available
Read Range	Up to 10 cm
Sample Testing	Available
Packaging	100 / 200 / 250 / 500 pcs or customized
MOQ	500 PCS
Lead Time	Typically 7–14 business days for customized orders

Actual operating distance depends on reader, antenna design and operating environment.

 

MIFARE DUOX vs MIFARE DESFire

Feature	MIFARE DUOX	MIFARE DESFire
Core Focus	EV Charging & Automotive	Secure multi-application
Security	AES + ECC	AES-based
Authentication	Symmetric + asymmetric cryptography	Symmetric cryptography
EV Charging	Dedicated EV charging support	General-purpose platform
Best For	EV charging,Vehicle access	Access, transit, campus

 

Developing an EV charging project? MIFARE DUOX EV provides dedicated EV charging functionality with advanced symmetric and asymmetric

security.[Request Custom MIFARE DUOX Cards]

 

Applications

EV Charging

Secure user authentication and authorization for electric vehicle charging systems.

Vehicle Access

Secure driver identification and access control for connected vehicles.

Secure Access Management

High-security employee, facility and identity access applications.

Dedicated security and EV-charging functionality for secure charging authentication.[Request Custom DUOX Cards]

 

OEM Customization

Materials

PVC, PET, PETG, PC, paper, wood and other customized materials.

Printing & Finishing

Full-color printing, matte, glossy, epoxy, laser foil, QR codes and variable data.

Encoding

Chip encoding, serial numbering and customer-defined data are available based on project requirements.

 

Why Partner With Us

1.IATF 16949 Certified

Our quality management system follows IATF 16949 requirements, supporting consistent quality and reliable production for automotive-related projects.

2. Direct Factory Supply
Work directly with the RFID card manufacturer for better production control and communication.

3. Sample Before Mass Production
Test cards with your existing reader/system before bulk production.

4. Quality Traceability
Production testing, encoding verification and batch inspection records are available when required.

5. Scalable Production
Up to 12 million cards per month, supporting both pilot orders and high-volume projects.

6. Stable Supply Chain
Integrated manufacturing resources help ensure reliable materials, production capacity, and long-term supply.

 

OEM Manufacturing & Quality

Our Quality Control Process

● Pre-Production Sample Verification

● RFID Readability & Performance Testing

● Encoding Accuracy Verification

● Print Quality & Appearance Inspection

● Final Batch Quality Inspection

[ View Manufacturing & QC ]

We manage the OEM process from card design to mass production. Samples are available for compatibility testing.

 

 

FAQ

 What automotive applications can MIFARE DUOX cards support?

MIFARE DUOX cards can be used for secure car access, digital car key, vehicle sharing, EV charging and other automotive credential applications.

 

Can you provide custom MIFARE DUOX cards for automotive applications?

Yes. We provide OEM MIFARE DUOX cards for secure car access, vehicle identification and other automotive applications. Card printing, materials, personalization and project-specific requirements can be customized.

 

Which MIFARE DUOX memory option should we choose?

MIFARE DUOX is available with 2K, 4K, 8K and 16K memory options. The appropriate option depends on your application, data requirements and system architecture. We can help confirm the suitable configuration based on your project specifications.

 

Can you test MIFARE DUOX cards with our existing reader or car access system?

Yes. We recommend sample testing with your existing reader or system before mass production. We can support card evaluation, personalization verification and compatibility testing based on your project requirements.

 

Can you support long-term OEM production for automotive projects？

Yes. We support pilot orders, bulk production and recurring OEM programs, with production capacity and quality control for long-term project supply.

 

What is your MOQ and lead time?

MOQ and lead time depend on the card type, customization level, printing requirements, and encoding needs. Blank cards can usually be delivered faster than fully customized printed and encoded cards.

 

How do you handle quality issues?

If a quality concern is reported, we review the batch details, inspect the production record, and identify the root cause. Depending on the case, we can support replacement, rework, or corrective action based on the agreed terms.