Nahübertragung
Nahübertragung, also known as near-field communication (NFC), is a set of communication protocols that enable two electronic devices to establish a radio communication link by bringing them within close proximity of each other, typically a distance of 10 centimeters or less. NFC operates in the high-frequency (HF) radio band, specifically at 13.56 MHz. It is a specialized subset of radio-frequency identification (RFID) technology.
There are two main modes of NFC operation: active and passive. In passive mode, one device (the
NFC technology enables a variety of applications. Contactless payments, where users tap their phones or cards