What is an HID proximity card?

Two prox card II with front and back side

The HID proximity card is also known as an HID prox card and a contactless smart card. It uses Radio Frequency Identification (RFID) technology to communicate with an HID reader. 

Key Features:


  • RFID: An embedded microchip within the card stores a unique identifier. It transmits it wirelessly to an HID reader using radio waves.
  • Contactless: Unlike swiping a credit card, simply hold the HID prox card near the reader for data transfer.
  • Frequency: The range of HID prox cards is around 125 kHz.

Applications of HID Proximity Cards:

These HID access card IS most commonly used for many access control systems. It is also used for identification purposes due to their convenience and affordability. Some common applications include:

  • Simple Access Control: Granting entry to secure areas or buildings by waving the card near a reader. (Security limitations apply; consider the sensitivity of the area).
  • Employee ID Badges: Verifying employee identity for access control or other purposes.
  • Time and Attendance Systems: Tracking employee work hours by swiping the card at the beginning and end of shifts.
  • Low value payments: In some cases, used for vending machines or cafeterias (less common due to the rise of contactless payments with other technologies and security concerns).
  • Facility Management: Tracking tool usage or controlling access to specific equipment.

Advantages of HID Proximity Cards:

  • Convenience: These cards are faster and more convenient than swiping or inserting cards.
  • Durability: These are typically made of PVC plastic, offering a reasonable degree of sturdiness for everyday use.
  • Affordability: The HID proximity card price, hid prox card ii, hid iclass card and hid proximity card reader is a budget friendly with RFID applications.
  • Security (to a degree): These offer some level of security by storing a unique identifier and not requiring physical contact.

Summary: The HID proximity cards are a convenient and affordable for basic access control and identification applications where high security is not a major concern.

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