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Mifare 4k Cards

Mifare 4K Cards are also known as S70 Cards. This smart card uses the Mifare IC S70 chip which is a mainstream contactless smart card IC. It conforms to the IEC/ISO 14443 protocol. The S70 chip has advanced data encryption and a two-way password authentication system.

Compared with the S50 chip card, the S70 chip card has a greater storage capacity, perfect for highway tolls, bus cards, parking lot, and other applications.

Cards can be pre-printed in the factory with high-quality offset or screen printing. Also, they can be personalized printing with a small printer. Either way, Xinyetong can provide it.


  • Contactless transmission of data and supply energy
  • Intelligent anticollision
  • Operating frequency of 13.56MHz
  • Data transfer of 106 Kbit/s
  • Data integrity of 16-bit CRC, parity, bit coding, bit counting
  • The Individual set of two keys per sector to support multi-application with key hierarchy
  • Typical ticketing transaction time of<100ms (including backup management)
  • Operating distance up to 100mm (depending on antenna geometry and reader configuration)
  • Random ID support(7 Byte UID version)
  • 7 Byte UID or 4 Byte NUID
  • Fine workmanship and good quality: flat and smooth, without burrs
  • Support double-sided printing
  • Support customization, including color, craft, printing, size, etc.


  • Personal identification
  • Public Transportation
  • Access Management
  • Electronic Toll Collection
  • Membership Management
  • Attendance Management
  • Employee Cards
  • Hotel key cards
  • School and Campus Cards
  • Parking Lot Management


Item Mifare 4k Cards
Material PVC or PET
Chip Mifare 4K
Protocol ISO/IEC 14443
Frequency 13.56 MHz
Memory 4kB
Color Custom
R/W Read and Write
Reading Distance 1~10 cm
Craft silkscreen logo/Laser serial number/UID print, etc
Surface Glossy/Matt/Frosted
Working Temperature -20~+70°C
Size 85.5*54mm
Data Retention 10 years
Erase Cycle 100,000 times
Samples Free samples are available upon request

Product Specification Download

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