NFC – RFID

NFC: Near Field Communication

A standard for data communication on radio waves. Enables security data exchange between two electronic devices without physical contact with “touch-approach”. Its operating distance is just a few centimeters between the devices.

There are passive and active NFC devices.

The emergence of technology first resulted the widespread use of passive NFC devices. Typically, such devices are plastic cards containing various Mifare chips. These cards are powered by an external power source and can provide access to their internal memory or parts thereof after successful identification by various pre-built or software-generated security identification protocols. Typically, the field of application of such cards is radio frequency identification, i.e. RFID.

Using Areas of NFC Cards:

  • “Contactless” credit card payment
  • Cashless payment systems
  • Access control systems
  • Ticketing
  • Loyalty systems
  • Point collection systems
  • Costumer cards

Passive NFC devices (chips) can be integrated into many other devices besides plastic cards. This gives you the opportunity to use technology more widely.

NFC chips can be integrated eg:

  • Tickets, Tags
  • Wristbands in various materials (silicone, PVC, etc.)
  • Keychains
  • Self-adhesive stickers
  • Various industrial devices (tools, parts, etc.)

We are talking about active NFC devices when data communication is implemented between two devices with their own power sources. In this case, almost any data can be transferred between the two devices by programming the communication according to the protocol. Nowadays, all mobile phones are expected to be capable of NFC communication. Its field of application is similar to passive NFC devices, providing significant security and extra functions.

Typical active NFC devices:

  • Mobile Phone
  • Tablet
  • PC
  • Door opener, access control
  • Locks
  • Vehicles

RFID

RFID – Radio Frequency Identification.

Radio Frequency Identification refers to a clear electronic identification method where individual data is transmitted digitally over radio waves to the identification system and device.

RFID devices are typically passive devices that contain unique identifiers and identification codes, which can be read by a reading device that activates the RFID device by providing an external power source. These RFID devices are typically pre-programmed, low-capacity memory chips containing burned codes for which an antenna corresponding to the operating frequency is connected.

These devices, RFID chips, can be perfectly integrated into plastic cards. Its typical and widespread type is the 125KHz RFID chips.

RFID devices can be integrated into multiple devices:

  • Keytags
  • Wristbands
  • Textile materials
  • Self-adhesive stickers, tags

Typical applications:

  • Access control systems
  • Door opener systems
  • Work time recording systems
  • Goods tracking, storage systems
  • Goods protection systems
  • Electronic passes
  • Vehicle identification

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