NFC Device

NFC devices are able to communicate with Smart Cards, readers and other NFC devices. They can receive and send data simultaneously and therefore have the ability to check the received radio frequency field and detect a collision if the received response does not match with the expected signal. In the field of mobile phone technology where the NFC devices are used, three main modes are distinguished:
- Card emulation mode where the NFC device acts like a contactless card
- Reader mode where the NFC device is active and reads a passive RFID tag
- Peer-to-peer mode where two NFC devices are interacting and exchanging data

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