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A summary of near-field communication. Near-field communication (NFC) is a set of communication protocols that enable two electronic devices, one of which is usually a portable device such as a smartphone, to establish communication by bringing them within 4 cm (1.6 in) of each other.
In this piece we rundown what it is, how it works, and what it can be used for. NFC stands for âNear Field Communicationâ and, as the name implies, it enables short range communication between compatible devices. This requires at least one transmitting device, and another to receive the signal.