category: UIUX 360

Near Field Communication (NFC)

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Near Field Communication (NFC)

What is Near Field Communication (NFC)?

Overview

Near-field communication (NFC) is a set of communication protocols that enable communication between two electronic devices. NFC provides a low-speed connection through a simple setup that can be used to bootstrap a more capable wireless connection.

NFC is a short-range wireless technology that makes your smartphone, tablet, wearable, payment card, and other devices faster and smarter. With near-field communication, you can quickly and easily transfer information between devices with a single touch – whether paying bills, exchanging business cards, downloading coupons, or sharing research papers.

NFC uses inductive coupling at a frequency of 13.56 MHz – a license-free allocation for the HF portion of the radio spectrum. NFC technology uses electromagnetic radio fields while technologies such as Bluetooth and Wi-Fi focus on radio transmission.

NFC devices can be classified into two types:

Passive NFC devices:
These include tags and other small transmitters which can send information to other NFC devices without the need for their own power source.

Active NFC devices:
These devices are capable of both sending and receiving data. It can communicate with both types of active NFC and passive NFC devices. Card readers (touch payment terminals) and smartphones are the best examples of active NFC devices.

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