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EM Microelectronic EM4205

EM Microelectronic EM4205


  • Leather Key Fobs are durable, reusable and stylish. Because they are made from Leather, printing is limited to a single color, but the Leather key fob is available in a variety of shapes and sizes. Leather key fobs are ideal for access control, ticketing, cashless payment, and social media activations, and are used in businesses as varied as office buildings, sporting venues, fairs, festivals, resorts, and more.  Vendors often prefer Leather key fobs for the same reasons, as well as brand name reinforcement and general promotions. Leather key fobs may be made with a wide array of chips and for all RFID and NFC readers.
  • Stylish and securely sealed RFID transponder enables the key fob to be used as a personal identification credential for a variety of RFID and NFC applications including


  • Social Media Activations
  • Access Control
  • Cashless Payment
  • Gaming
  • Promotions
  • Souvenirs
  • Loyalty Programs
  • Brand reinforcement
  • General Promotions
  • Gym Memberships
  • Season Passes
  • Door Lock Keys
  • Ticketing


  • Manufacturer
    EM Microelectronic
  • Chip
  • Radio Frequency
    125 kHz
  • Protocol
  • Memory
    512 bits
  • Min Order Qty
    500 Pieces
  • RFID
  • NFC Enabled
  • NFC Forumicon
  • Material
  • Operating Temperature
    -10 to +50 Celsius
  • Dimensions / Available Shapes
    40mm x 83mm
  • Colors
    Black, Brown
  • Printing
    Double Sided, One Color
  • Other Customizations
    Debossing, Debossing with Color, Serial Number File
  • Lead Time
    4 Weeks