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Understanding NFC: Tags, Chips, and Applications

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This article explains NFC (Near Field Communication) technology found in mobile phones, detailing its uses and features.

NFC utilizes a tag or chip within the mobile phone to enable short-range wireless communication. NFC stands for Near Field Communication. This technology facilitates communication between wireless devices over a very short distance (approximately 4 inches). Smartphones equipped with NFC tags can exchange information with a simple tap.

Applications of NFC

Beyond simple data exchange, NFC has a variety of applications, including:

  • Online payments
  • E-ticket booking

NFC Technology Features

Here are some key technical specifications of NFC:

  • RF Carrier Frequency: 13.56 MHz
  • Bandwidth: 14 KHz
  • Communication: Two-Way Communication
  • Data Rate: 106 Kbps, 212 Kbps, 424 Kbps
  • Applications: Online payments, E-Ticket Booking

NFC icons Image: NFC icons

Many modern smartphones, including Google Nexus, Apple iPhones, HTC phones, and BlackBerries, incorporate embedded NFC tags. The image above shows common NFC icons found on NFC-enabled devices. These icons indicate NFC compliance.

What You Can Do with NFC

Here’s a breakdown of the functionalities available with an NFC chip or tag on your phone:

  • Data Communication: Transfer data between two nearby mobile devices.
  • Programmable Commands: Program commands directly onto the NFC chip, allowing the phone to perform specific actions based on the NFC device’s programming.
  • Payments: Make payments at parking meters and retail locations.
  • Ticketing: Use it as a ticket and boarding pass for airlines and buses.
  • Access Control: Open doors in offices using NFC-compliant security badges, enhancing security.
  • Automotive: Some car manufacturers, like BMW, provide NFC-enabled keys.