What is the NFC Tag?

So, what is the NFC Tag? A near-field communication (NFC) tag is a smart tag that makes it possible for customers to pay for products and services by simply touching the tag with an NFC-capable smartphone.

What is the NFC Tag?

The fact that NFC is a wireless radio technology communication standard is the only significant difference between it and Wi-Fi or Bluetooth. The technology is based on radio frequency identification (RFID), which is often used by retailers to keep track of goods and by businesses to keep track of staff movements.

There is a major distinction between NFC tags and RFID tags.

NFC Tags and RFID Tags are two different types of tags

The NFC tag, as its name indicates, necessitates that users get closer to it in order to read what it contains and make a payment. In order to successfully scan an NFC tag, users must maintain their devices within a distance of four inches from the tag itself. Long-range RFID, on the other hand, permits users to be up to 20 metres away from whatever they’re utilising RFID for.

Users may insert NFC tags in a wider range of things than RFID tags, such as posters, tickets, or anything else that demands payment or disseminates information.

How Does the NFC Tag Work?

An external power supply isn’t necessary for NFC tags. They are powered by reading devices. To function, NFC-capable devices must be placed near the NFC tag. Data is collected by energising the tag and using the devices to read it. Despite their little size, NFC tags contain a radio chip linked to an antenna for data storage.

Is there a way to read an NFC tag using a device other than a smartphone?

This is possible, of course. In reality, the most widely used NFC scanners are the contactless payment terminals found in retail locations and other commercial enterprises throughout the globe.

A public transportation access gateway is another common NFC reader. We recommend that you have a unique NFC token or card that contains your personal information and account balance in order to use the NFC technology.

Power and a Wi-Fi connection are required for both readers in order to carry out transactions.

Also Read: What Is IoT (Internet Of Things) And How It Can Help Us?

What Kinds of NFC Tags Are There?

Types 1–5 of NFC tags have been developed to date. Type 1 NFC tags can only hold 1KB of data, making them the most basic. One URL or Wi-Fi password can be saved on each of these devices. They are also limited to a maximum transmission rate of 100kbps.

Type 5 NFC tags, on the other hand, can store up to 32KB of data. They are four times quicker than Type 1 tags at transmitting data. They have the ability to store access control information (e.g., ticket and company ID details). Additional characteristics such as tamper resistance and enhanced interference management can be found in some Type 5 tags.

These tags can be rewritten in certain more complex NFC devices. Users only need to wipe the data on their devices and then reinstall the software.

NFC Tags are used for what?

NFC tags can be used in a variety of ways. Some of these have been mentioned already.

Virtual business card

NFC tags may be used to store contact information, social network information, and a company’s website, which can then be used as digital business cards by the user.

Door security

Smart locks may be unlocked with NFC tags.

Contactless payment

NFC tags allow customers to securely save their credit card information for contactless payment. By touching on a payment terminal, customers may make purchases.

Website launcher

NFC tags can be configured to save a site URL, making it easier for users to launch websites because they only need to read the tag and their device instantly accesses the site.

Content sharer

Users of NFC-capable smartphones may easily transfer images, playlists, and movies across their devices.

Smartphone controller

Batteries may be saved by turning off battery drainers until you need them again with this NFC-enabled phone control technology. As well as enabling and disabling hotspot sharing and quiet mode, NFC tags may also be configured. As a last option, an NFC tag may be programmed to convey pre-written messages while driving.


Despite the fact that QR codes are now more common than NFC tags, the latter is expected to become more widely used in the future

Founder and Chief Editor of Network Herald. A passionate Blogger, Content Writer from Mumbai. Loves to cover every current affair in terms of technology. He writes about the how-to guides, tips and tricks, top list articles.

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