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RFID Proximity Card | MIFARE 4K

Our MIFARE 4K RFID cards offer high-capacity memory for multi-purpose use. Operating at 13.56 MHz (High Frequency), these cards feature 4 KB of rewritable memory, making them ideal for complex systems such as public transportation, multi-application campus cards, secure building access, and large loyalty or payment programs.

  • Frequency: 13.56 MHz (HF - High Frequency).

  • Memory: 4 KB (40 sectors, more blocks for multi-applications).

  • Read/Write: Fully rewritable, supports multiple applications.

  • Security: 2-key 48-bit encryption per sector.

  • Material: PVC / PET / Eco-plastic.

  • Size: CR80 standard (85.6 × 54 mm).

  • Thickness: 0.76 mm (ISO standard).

  • Reading Distance: 2–10 cm depending on reader and enviroment.

  • Compatibility: ISO/IEC 14443A, compatible with MIFARE readers.

  • Applications: Public transit, access control, student/employee cards, multi-wallet loyalty programs.

Frequently Asked Questions (FAQ): MIFARE 4K

1. What is a MIFARE Classic 4K card?

A MIFARE Classic 4K card is a high-frequency contactless smart card with 4 kilobytes of rewritable memory. It supports large, multi-application data storage, making it suitable for complex access control, transport, and payment solutions.

2. Can they be customized with logos and encoded data?

Yes, you can fully personalize MIFARE Classic 4K cards with your design, company logo, barcodes, UID, or serial numbers. We offer advanced pre-encoding and sector setup on request.

3. Are these cards compatible with all readers?

MIFARE Classic 4K cards work with all ISO/IEC 14443A readers and most access or ticketing systems using MIFARE technology. If unsure, we’ll help check your system’s compatibility.

5. What makes it different from MIFARE Classic 1K?

The main difference is memory size: 4K cards have four times the capacity of 1K cards (4096 bytes vs. 1024 bytes), divided into more sectors for multiple applications (e.g., access, canteen, library, payment). Both use strong 48-bit sector encryption.

6. Can a single card be used for multiple purposes?

Yes, that’s a key benefit. Thanks to their expanded memory, you can store access, payment, identification, and more on a single card. Perfect for universities, corporations, or transport operators.

7. How durable are these cards?

Made from high-quality laminated PVC or PET, MIFARE Classic 4K cards are waterproof, scratch-resistant, and designed for everyday use in high-traffic environments.

4. What is the usual production and delivery time?

Standard production takes 7–10 business days for custom cards. Rush orders and international shipping available.

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