MIFARE 4K Contactless Smart Card

MIFARE Classic® 4K Contactless Smart Card: Overview

The MIFARE Classic® 4K is a high-capacity contactless smart card designed for secure data storage and flexible multi-application use. Based on the NXP MF1 IC S70, it operates at 13.56 MHz and follows ISO/IEC 14443A standards for contactless communication. The card requires no battery, drawing power directly from the reader’s radio frequency signal, and uses the CRYPTO1 stream cipher to ensure secure data transmission.

With a memory size of 4 KB, the MIFARE 4K card significantly expands the capabilities of the classic 1K version, making it ideal for systems that require multiple applications in a single card.

Key Features

• Memory Capacity: 4 KB divided into 40 sectors and 47 blocks (16 bytes per block)

• Frequency: 13.56 MHz (RFID)

• Read/Write Capability: Supports secure read/write operations

• Security: CRYPTO1 encryption for secure data exchange

• Standards Compliance: ISO/IEC 14443A for communication

• Contactless Operation: No battery required; powered by the reader

• Durable Design: Standard CR80 card size (85.6 × 54 mm), 760 μm thickness, glossy finish

• Temperature Tolerance: -25°C to 50°C

• Packaging: 250 units per pack

Applications

The MIFARE Classic® 4K card is widely used across various sectors, including:

• Public transportation (metro, buses, AFC systems)

• Ticketing for events, amusement parks, and sports venues

• Loyalty and membership cards

• Access control systems for buildings and parking

• Multi-purpose ID cards

Advantages

• Supports multiple applications on a single card

• Secure data exchange with CRYPTO1 encryption

• Flexible and convenient for both users and system administrators

• Durable and reliable for daily use in high-traffic environments

Summary

The MIFARE Classic® 4K is a versatile, secure, and reliable solution for contactless card systems. Its enhanced memory capacity, secure communication, and multi-application capabilities make it ideal for modern transportation, access control, ticketing, and loyalty programs.