Contactless Blank Mifare Card-NXP MIFARE 4K S70
MIFARE Classic 4K (S70) RFID Card | 13.56MHz ISO14443A PVC Card
Unlock Secure and Versatile Contactless Solutions
Organizations and businesses often struggle with limited memory and security on traditional RFID cards, which can compromise access control, loyalty programs, and ticketing efficiency. The MIFARE Classic 4K (S70) RFID card addresses these challenges by providing high memory capacity, strong encryption, and wide compatibility for all your contactless applications.
Key Features & Benefits
- High Capacity Memory: 4096 Bytes (4 KB), divided into 40 sectors (32 sectors of 4 blocks, 8 sectors of 16 blocks), enabling complex applications such as multi-level access control or transit programs.
- Secure Data Transmission: Utilizes CRYPTO1 encryption to ensure secure communication and prevent unauthorized access.
- Broad Compatibility: Fully compatible with ISO/IEC 14443-A readers, including popular devices like ACR122U, and supports NFC-enabled smartphones and terminals.
- Durable Design: Made of high-quality PVC, waterproof and robust for daily use.
- Printable Surface: Supports direct thermal or thermal transfer printing with printers such as Zebra, Epson, and Canon, ideal for ID cards, membership, or event badges.
- Standard Dimensions: CR80, 85.6 × 54 × 0.8 mm, fits most cardholders and systems.
- Operating Range & Speed: Reads/writes up to 10 cm with a data transfer rate of 106 kbps.
- Factory Default Keys: A/B key default is FF FF FF FF FF FF for immediate deployment.
Applications
The MIFARE Classic 4K is widely adopted across industries due to its reliability, cost-effectiveness, and versatility:
- Access control and office security systems
- Public transportation and ticketing
- Loyalty and membership programs
- Payment and e-wallet systems
- Event, hotel, and parking identification cards
Technical Specifications
| Parameter | Details |
|---|---|
| Chip Type | NXP MIFARE Classic® 4K (MF1S70) |
| Operating Frequency | 13.56 MHz |
| Protocol | ISO/IEC 14443-A |
| User Memory | 4096 Bytes (4 KB) |
| UID Size | 4 Bytes |
| Read Range | Up to 10 cm (depends on antenna design) |
| Data Transfer Rate | Up to 106 kbps |
| Material | PVC, durable and waterproof |
| Size | CR80 85.6 × 54 × 0.8 mm |
| Printable | Yes, compatible with thermal/transfer printers |
| Certifications | ISO/IEC 14443-A compliant, RoHS |
Frequently Asked Questions (FAQ)
Q1: Can these cards be used for access control systems?
A1: Yes, the MIFARE Classic 4K card is widely used in office access, building entry, and parking systems.
Q2: Are these cards compatible with NFC-enabled smartphones?
A2: Yes, they comply with ISO/IEC 14443-A standards, allowing interaction with NFC-enabled phones and terminals.
Q3: Can I print custom designs on the cards?
A3: Absolutely. The PVC surface supports thermal transfer or dye-sublimation printing for logos, ID info, or event branding.
Q4: What makes MIFARE Classic 4K more secure than standard cards?
A4: It features CRYPTO1 encryption and segmented memory sectors to control access at multiple levels, enhancing data security.
Q5: What is the recommended reading distance?
A5: Depending on the reader and antenna design, these cards typically work up to 5 cm.
Conclusion
With high memory capacity, strong security, and print-ready design, the MIFARE Classic 4K (S70) card is an ideal solution for businesses and organizations needing reliable and versatile contactless cards. Its compliance with ISO/IEC 14443-A, durable PVC construction, and NFC compatibility ensure seamless integration into modern RFID applications.
