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RFID LF passive tags

LF OEM Rfid Read / Write Module: DT125HTSUA

The DT125HTSUA LF Compact Plug & Play Module is a contact less proximity Read / write device that supports Hitag-S Tags work at industry-standard 125 KHz Frequency. The module has a built in antenna. By using the serial interface device can be connected to a PC or any other host system. The LF DT125HTSUA Read / write module is best suited for applications in Access Control, Time and Attendance, Asset Management, Hand held Readers, Immobilizers and other RFID enabled applications.


  • UART Interface
  • Built In antenna
  • Plug and Play, needs +5V to become a Reader / writer
  • Reads Tag UID, reads and writes 2 blocks of Hitag-S256 tag data
  • Low Power Consumption
  • No repeat reads
  • LED / Beeper indicates Tag reading / writing operation
  • Excellent Reading / writing performance without an external circuit
  • Compact size and cost-effective
  • A very efficient module for portable readers.


The applications of DT125HTSUA RFID OEM Reader Module are limited by the imagination of the designer because of the compact form factor and low power consumption. Some of the common applications for this module are:

  • Access control
  • Handheld readers
  • Asset management
  • Time and Attendance
  • Immobilizers


Dimensions (LXBXH) mm 30 x 30 x 10
Frequency 125 KHz
Reading Distance <=5cms for ISO credit card size tags
<=3cms for smaller tags
Antenna Internal
Supply Voltage +5 VDC
Operating Temperature 0C to 55C
Transponder (Tag / Card) Types Hitag-S256 Tags
Output Format ASCII
Housing Plastic with 10x pin out

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