DESFire 4K Contactless Smart Card

Product Introduction: MIFARE DESFire 4K Contactless Smart Card

The MIFARE DESFire 4K card is a high‑performance, secure contactless smart card designed for modern RFID and NFC applications. Developed by NXP Semiconductors, this card is part of the MIFARE DESFire family, offering robust security, flexible memory organization, and broad compatibility with global contactless systems.

Key Features

• High Security Encryption: Supports advanced cryptographic algorithms, including AES and DES/Triple‑DES, ensuring secure communication and protection against cloning and unauthorized access.

• 4K EEPROM Memory: Provides 4,096 bytes of non‑volatile memory, enabling storage of multiple applications and data objects within a single card.

• ISO/IEC Compliance: Fully compliant with ISO/IEC 14443A standard for contactless communication at 13.56 MHz, guaranteeing interoperability with a wide range of readers and NFC devices.

• Contactless Operation: No battery required—powered by the reader’s RF field and offering reliable data transmission up to typical operating distances depending on reader design.

• Flexible File System: Supports multiple applications and file types on one card, making it ideal for complex system deployments.

• Long‑Term Reliability: EEPROM data retention of up to 10 years and high write endurance ensure durable performance for long‑term use.

Typical Applications

MIFARE DESFire 4K cards are widely used in:

• Access Control & Physical Security – Employee badges and smart access systems

• Public Transport Ticketing – Secure fare collection and transit passes

• Cashless Payments & E‑Wallets – Campus accounts and vending systems

• Event Ticketing & Loyalty Programs – Multi‑use credentials for venues and services

• Identity & Government Services – Citizen ID and secure authentication platforms

Physical and Customization Options

These cards are typically supplied in standard CR80 credit card size (86 × 54 mm) with various material choices (PVC, PET, ABS), surface finishes, and printing options for branding or personalization.