📌 What a MIFARE 13.56 MHz Blank Card Is

MIFARE cards are a family of contactless smartcards made by NXP Semiconductors that operate at 13.56 MHz using the ISO/IEC 14443A protocol. They are widely used for secure access control, identification, transport tickets, membership cards, campus IDs, hotel keys, loyalty programs, etc.

Blank white cards simply mean:
✔️ No printing on the surface — ready for custom printing (e.g., photo, logo, barcodes). 
✔️ No data encoded yet — you program them yourself with a reader/writer.
✔️ Standard credit-card size PVC (85.5 × 54 mm, ~0.8 mm thick).

📌 Common Types of MIFARE Blank 13.56 MHz Cards

🔹 MIFARE Classic 1K

• Memory: ~1 KB (16 sectors).

• Frequency: 13.56 MHz (ISO14443A).

• Usage: Access control, ID cards, attendance systems.

• Properties: Rewritable, compatible with many standard readers.

This is one of the most widely used basic MIFARE cards.

Technical Example:

• Operates at 13.56 MHz

• PVC material, standard credit card size

• Printable surface for custom IDs

• Compatible with typical MIFARE readers (like RC522 or NFC readers)

🔹 MIFARE Ultralight

• Smaller memory (e.g., 512 bits) and used often for ticketing or one-time uses.

• Good for low-cost applications like transit tickets or event passes.

🔹 MIFARE DESFire & Advanced Types

• Higher memory (4 KB, 8 KB) and stronger security.

• Used where stronger cryptography and multi-application support are needed