Near-field communication - Wikipedia
https://en.wikipedia.org/wiki/Near-field_communication
Near-field communication (NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of 4 cm (11⁄2 in) or less. NFC offers a low-speed connection through a simple setup that can be used to bootstrap more-capable wireless connections. Like other "proximity card" technologies, NFC is based on inductive coupling between two so-called anten… Cost of tag: US$0.10 Standardisation body: ISO/IEC RFID compatible: ISO 18000-3 Tag requires power: No
Cost of tag: US$0.10
Standardisation body: ISO/IEC
RFID compatible: ISO 18000-3
Tag requires power: No
DA: 15 PA: 70 MOZ Rank: 79