TK4100 Chip RFID Keyfob is On Time Delivery, and Powerful production capability ensure shortest deliver schedule.

125KHZ LF RFID Keyfob Descriptions:

125KHZ LF RFID Keyfob is also known as Keytag, Keychain, and it is a electronic device used for Access Control, Its  applications can be witnessed at Housing, Underground Parking Lot, Shopping Mall, library, E-Campus, Security Protection, Transportation and E-payment, which make our life comfortable. 

The available LF chips of 125KHZ LF RFID Keyfob include TK4100, EM4200, EM4305, T5577. The The available HF chips include MF S50, MF S70, Ultralight (C), FM08.

Their memories include 64bits, 128bits, 512 bits, 363 bits, 1K bytes, 4K bytes, 64/192 bytes.

Of course, we can provide customized dimension and design.

125KHZ LF RFID Keyfob Specifications:

Material: ABS

Frequency: 125KHZ 

The Dimension of the Keyfob: 32*40.5mm

Diameter of the top small hole: 3.5*7mm

Workmanship: Silk Screen Printing + Laser Engraving

Operating Temperature: -25℃-100℃                                                                               

Colors:  Blue, Red, Yellow, Black, Grey, etc

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very good seller hope we deal with you again


received ok, thanks !!!!!!!


Nice work and quick delivery.


Item as described. Easy transaction. Quick shipping considering there's an ocean


Good product, good price and fast dispatch.

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LF RFID Keyfob Tag owns the factory price and we provide perfect service system to ensure every deal.

  • Product Code: xyt-167
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Tags: 125KHZ LF RFID Keyfob, 125KHZ RFID Keyfob Supplier, LF RFID Keyfob Tag, TK4100 Chip RFID Keyfob, EM4200 125KHZ RFID Keyfob