The LR series offers a long-range NFC/RFID interface compatible with ISO 15693-capable NFC phones and RFID readers. It can be used in a wide variety of applications, including asset tracking, industrial automation and gaming.

  • ISO 15693 tag RF interface
  • 64-bit unique identifier (UID)
  • Anti-collision
  • 40 years data retention
  • 1 million read/write cycles
  • EEPROM memory density from 2 Kbits to 64 Kbits
  • 32-bit password protection optional


eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

NFC/RFID Calculators

Choose design tool:

NFC Inductance

Input geometry and substrate properties
Get antenna impedance

UHF Link Budget

Enter forward and reverse link characteristics
The tool returns link budget estimate

NFC Tuning Circuit

Enter antenna parameter and matching target
Select the topology of the matching network
The tool returns component values for the desired design targets