Devices using NFC technology (such as mobile phones) can exchange data close to each other. It is made of contactless radio frequency identification (RFID) and interconnection technology.
The main features of near-field communication technology are as follows:
(1) Wireless communication technology for secure communication at close range (within 10cm).
(2) Radio frequency: 13.56MHz.
(3) Radio frequency compatibility: ISO 14443, ISO 15693, Felica standard.
(4) Data transmission speed: 106kbit/s, 212 kbit/s, 424kbit/s.