TK4100 keyfob for access control security system

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TK4100 keyfob is commonly used in access control, membership management and identification applications. You can set your logo or text and print in the case of case surface or laser engraving UID. There are many different colors and types to choose from. Printable and durable housings are becoming more and more popular in the RFID market,


RFID Fobs may be a transponder consisting of a chip and a coil antenna within the robust ABS material. it’s a hole for a hoop or chain. RFID Fob could be common 125 kHz or 13.56 MHz, compliant with various chips for wider use. Each RFID Fobs is produced with a singular ID, so it is a perfect low-cost and reliable solution to enhance the efficiency of the management and heighten the safety, Like automated check-in/check-out procedures in hotels. Besides, custom colours, logo printing and serial number printing also are available.


  • Support for customized services
  • Durable and waterproof
  • Available with key chain, easy to carry
  • Contactless power supply
  • Rich and flexible configuration and working mode
  • Basic Mode or Extended Mode
  • High Q-antenna tolerance due to in options
  • Adaptable to different applications: access control, animal ID and waste management
  • Low cost



Name TK4100 keyfob
Material ABS
Frequency 125Khz
Chip TK4100 or Customized
Memory 64bit
Color Green, Blue, Black, Grey , Yellow,\, Red or customize
Crafts Custom logo¡¢Laser number etc.
Color Red yellow blue green white black purple or customized?
Reading distance 0-10cm
Application Apartment、Hotel、Parking Lot、Access Control etc.
Protocol ISO7814/ISO7815
Read Times >100000
Data Retention >10 years
Production?leadtime 7 days for less than 100,000pcs

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