NFC Tags NTAG424 DNA in flexible PET 22mm

1.19 €
As low as 0.92€/pz. for 2000 pieces . Learn more

Reference 3007191

Circus Flex Pro's flexible and robust structure allows it to be directly embedded into difficult to tag items. Ideal for garments authenticity.

➡️ Need them already encoded with anti-counterfeiting URL? Try DNA


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Quantity Discount Unit Price
2000 22.689% 0.92 €

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Made of flexible PET plastic, the Circus Flex Pro NFC Tags, are an extremely versatile and reliable product. In just 22 mm in diameter for 0.3 mm thick, they offer a chip with universal compatibility with all NFC smartphones, fully waterproof, very resistant, and easy to apply.

A specialized glob top protects the IC and antenna connection area that makes this Tag a highly protected flexible Tag. It withstands home washing and drying cycles as well as mechanical stress, temperature cycles and impact stress.

Technical Specifications

  • NFC Chip: NXP NTAG424
  • Operating Frequency: 13.56 MHz
  • Standard: ISO/IEC 14443A
  • Available memory: 256 bytes (for NDEF message)
  • Antenna size:  ø 20 mm / 0.79 in
  • Die-cut size: ø 22 mm / 0.87 in
  • Thickness: 325 μm (Wet)
  • Operating Temperature: -25°C to 70°C / -13°F to 158°F
  • Bending Diameter: >50 mm, tension less than 10 N


  • Wet format: acrylic, solvent-free permanent adhesive. The glue becomes permanent 24 hours after application.

Application Areas

  • Retail
  • Brand Protection
  • Customer Experiences
  • Product Authentication


      • Flexible structure
      • Enhanced environmental resistance
      • Good for wash & wear applications

      NXP NTAG424 DNA chip

      The NTAG 424 DNA chip sets a new standard in NFC and secure IoT applications. The new chip generation offers state-of-the-art security and privacy protection features. For this purpose, the chip is made with attack-resistant certified silicon.

      The NTAG 424 DNA chip is designed to support operations protected by AES-128 encryption, including a new SUN (Secure Unique NFC message) authentication mechanism, as well as the protection of sensitive data with encrypted access permissions. These features allow advanced product and content protection, as well as secure and unique user experiences in real time.

      What is the SUN message

      The Secure Unique NFC function generates a unique and secure authentication code whenever the Tag is read. With the SUN function, an NDEF message (readable by any NFC smarpthones) is generated, using an encryption algorithm that includes: URL, UID, counter scan, and AES key.

      SUN message - NTAG DNA

      Being also connected to the scan counter, each time the Tag is read, it generates a different string. In this way, the content is protected from cloning.

      It is interesting to note that this increase in security is at the same time a simplification of the approach to the end user, which does not need to download any specific application to verify the authenticity of the Tag (and the content linked to it).

      How to encode an NTAG 424 DNA

      To enable the SUN message, we recommend using the Identiv uTrust 3700 F and TagXplorer software, developed by NXP.


      Data sheet

      NFC Chip
      NXP NTAG424 DNA
      NFC Standard
      ISO/IEC 14443-A
      NFC Forum
      Type 4
      Universal Compatibility
      UID (Unique ID)
      7 bytes
      Available memory
      256 bytes
      Communication rate
      848 kbit/s
      Read/Write endurance
      200,000 cycles
      Data retention
      50 years
      Password Protection
      Works on metal
      Waterproof level
      Fully Waterproof
      Commodity code (HS)
      Country of origin

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