Description
These proximity cards are low-frequency (125 kHz) contactless Radio Frequency Identification (RFID) devices which used for physical access control, door entry, and parking systems.
Some main physical types of proximity cards:
  • Printable / ISO Prox Cards: Thin, credit-card-sized (CR80) PVC or composite cards with a glossy surface designed for direct photo printing.
  • Clamshell Cards: Thick, rigid cards made of two plastic pieces with an internal antenna. They are cheap and durable but cannot be run through standard ID badge printers.

  • Magnetic Stripe Cards: Dual-encoding credentials that combine a 125 kHz proximity chip with a high-coercivity magnetic stripe for legacy payment or tracking systems.

  • Key Fobs & Keychains: Compact plastic fobs containing a mini proximity antenna, ideal for everyday key rings.

  • Adhesive Tags: Thin sticker-like transponders that can be attached to smartphones, ID badges, or wallets.

  • Active Tags: Battery-powered long-range tags (like the HID ProxPass) used mainly for automated vehicle gate access. 

Widely Recognized Industry Standards and Established Brands

  • HID Prox: The predominant international standard encompasses models such as the HID 1326 ProxCard II and the HID 1386 ISOProx II.

  • Multi-Technology Cards: Integrated identification credentials that merge conventional 125 kilohertz proximity technology with contemporary 13.56 megahertz intelligent card systems (including iCLASS and MIFARE platforms) to facilitate organizational infrastructure modernization.
  • HID proximity card types

125 kHz standard and come in several form factors and model types for physical access control.

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About brand
hid