The fob is MIFARE Classic read only card. Those fobs are widely used for  access control, electronic wallet, corporate ID cards, transportation, or stadium ticketing. It works with METechs MIDKS700 door locks. Does not work with 125Khz RFID locks.
 
Main Features
  • MIFARE Classic family
  • Frequency 13.56mhz
  • All the Chip card has Unique ID and read only
  • ISO/IEC 14443 Type A
Package Content
  • One proximity MIFARE Classic fob
Frequently Bought Together
  • MIDKS700 door locks in our eBay store: eBay item number:154293386920
  • MIFARE cards in our eBay store: eBay item number: 313426568289