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The LRT-sens is a battery-assisted contactless device that supports to be powered by the received carrier electromagnetic wave. It is a 4096-bit non-volatile memory organized as 64 blocks of 64 bits.

The LRT-sens is accessed via the 13.56 MHz carrier electromagnetic wave on which incoming data are demodulated from the received signal amplitude modulation (ASK:amplitude shift keying). The received ASK wave is 10% modulated with a data rate of 26 Kbits/s using the 1/4 pulse coding mode. Outgoing data are generated by the LRT-sens load variation using Manchester coding with a single subcarrier frequency of 423 kHz. Data are transferred from the LRT-sens at the fast data rate mode of 26 Kbits/s. The LRT-sens only supports the high data rate communication protocols of the ISO15693 and ISO18000-3 Mode 1 recommendations. All others data rates and modulations are not supported by the LRT-sens.

Feature Summary

  • ISO15693 standard compliant
  • 13.56 MHz ±7 kHz carrier frequency
  • 2.5 V to 3.3 V battery input range
  • To LRT-sens:10% ASK modulation using 1/4 pulse positioncoding (26 Kbits/s)
  • From LRT-sens:Load modulation using Manchester coding with 423 kHz single subcarrier at fast data rate (26 Kbits/s)
  • Internal tuning capacitor (28 pF)
  • 50 000 Erase/Write cycles (minimum)
  • 10 year data retention
  • 64 × 64 bit user area for sensor data logging
  • 64-bit Unique Identifier (UID)
  • Read & Write (Block of 64 bits)
  • 5 ms programming time
  • Embedded temperature sensor with ± 1.5 °C accuracy over the –20 °C to 85 °C range
  • Embedded real time clock
  • Programmable data logging Wake-Up delay from 3 seconds to 18 hours
  • Battery check logic
  • Support user area data access in full contactless mode (no-battery)




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RealSmart Technologies

R205, No.1768. Yishan Road, MinHang District, Shanghai 201103, P.R China

Tel: +86 21 6432 6941


Tel: +86 21 6432 6941