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MIFARE Classic 4K Contactless Smart Card/NFC A RFID Tag

Card_Mifare 4K S70



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  • Manufactured by: D-Think
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MIFARE Classic 4K opens up many new service opportunities by enabling public transport authorities to implement multi-modal systems. It might be used for a combination of contactless e-commerce and e-business applications on one single MIFARE smart card. And it is also widely used in public transportation, access management, gaming, identity etc.

From May 2010 onwards, a MIFARE Classic 4K variant is also available with a 7 Byte UID. For future outlook regarding the 4 Byte UIDs see 4-7Byte UID.

  • Dimensions: 85.6 × 54 × 0.86 (mm)
  • Weight: 6.0 ±0.5g
  • Material: PVC(>1000PCS, can be printed)
  • Color: White
  • Chip type: Mifare S70
  • Operating Temperature: -10°C to +50°C
  • Storage Temperature: -10°C to +50°C

MIFARE Classic 4K Key Features

  • Operating distance: Up to 100mm(depending on the antenna geometry)
  • 4 kbyte EEPROM (3480 Byte free available)
  • Unique serial number (4 Byte and 7 Byte)
  • 40 securely separated sectors supporting multi-application
  • 32 sectors consist of 4 blocks with a length of 16 Byte

                 -8 sectors consist of 16 blocks with a length of 16 Byte

                 -2 x 48 bit keys per sector for key hierarchy

  • Access conditions free configurable based on 2 keys
  • Number of single write operations: 100,000
  • Data retention: 10 years

Options available on request:

Offset Printing / Silkscreen Printing / Encoding / Thermal Rewritable Film / Ultra Violet Printing / Micro Seal / Micro Text / Hologram / Laser Engraving / Signature Panel / Scratch Panel / SIM Punch / Magnetic Stripe




D-Think inc. is able to design and develop RFID tags and RFID readers in different sizes and different shapes for your different requirement. For more info about RFID products please kindly visit our website or email us at, we will contact you as soon as possible.
1. Specifications are subject to change, please pay attention to our latest one.
2. According to the relevant provisions of the logistics company, more than 1.5KG not send surface mail or registered mail, can only choose courier.
3. D-Think inc. reserve the right to the final interpretation of the above terms.

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Monday 03 December, 2012

This product was added to our catalog on Monday 03 December, 2012.