Low Frequency RFID Standard 125kHz Transponders

The coil of this low-frequency electronic tag is wound with copper wire. The built-in chip is T5577, EM4200 or TK4100. The reading and writing distance of 2-10cm, operates at a frequency of 125 kHz.


A low-frequency electronic label (LFEL) is an RFID tag that operates at a frequency of 125 kHz. LFELs are commonly used in applications where a long reading range is not required, such as animal tracking, library book management, and toll collection. They are also a good choice for applications where the tags need to be read through materials, such as metal and water.

The reading and writing distance of 2-10cm. Custom printing is available, and the size of the label can also be customized according to needs. It is an asset label specially used for item management. When using it, you only need to tear off the release paper behind the label, and it can be directly pasted on the item for use. The label uses the best oily glue in China as the back glue, which has strong stickiness, and the longer the sticking time, the stronger it will be.

Available customizations are the following:

Customized different size by the customer different project request.

Monochrome printing or 4-colors in offset, starting from a graphic layout  equipped by the customer in vector format . Serial number, barcode or EPC printing. Other customizations are available on demand.

Dimensions (mm)
D=25mm, D=30mm, Customized
Coated Paper
LF 125K
Operating Temperature(°C)
-40 to 85
Storage Temperature(°C)
-40 to 85
IP Rating
Applicable Surface
Non-metal, On-metal
T5577, EM4200, TK4100
RF Interface Protocol
ISO 18000-2
Animal tracking

Library book management

Toll collection

Access control

Asset tracking

 For additional details or to request a quote, please contact us.   Join us at MAKA RFID and redefine your RFID experience.