Overview
NFC is a very short-range wireless technology. It is an evolution of RFID (Radio Frequency Identification) and allows for two-way communication between devices.
Operating Modes
- Reader/Writer: Reading tags in posters or products.
- Peer-to-Peer: Exchanging data between two smartphones.
- Card Emulation: Using a smartphone as a contactless credit card.
Common Applications
- Contactless payments (Apple Pay, Google Pay).
- Quick pairing of Bluetooth devices.
- Access control (key fobs and ID cards).