How NFC Tags Work with Smartphones: A Complete Guide
One of the most innovative yet underappreciated advancements in the world of technology is NFC (Near Field Communication) . Whether you’ve used contactless payment systems, tapped your phone to connect to a device, or scanned an NFC-enabled tag to open a link, you’ve experienced NFC in action. But how exactly does it work, especially with smartphones? Let’s dive into the fascinating world of NFC tags, how they interact with smartphones, and the apps and tools that unlock their full potential. What Are NFC Tags? First, an NFC tag is a small, wireless communication device that uses radio frequency identification (RFID) technology to exchange data with compatible devices, such as smartphones. These tags can store small amounts of data—like URLs, text, or commands—which can be accessed when a compatible smartphone comes into proximity (within 4 cm). NFC tags are passive devices, meaning they don’t have a power source. Instead, they draw power from the smartphone when the two are brought ...