There are two kinds of NFC chips, one NFC chip is placed in the mobile phone to achieve the mobile phone NFC function, and the other chip is placed in the NFC tag to achieve the NFC card reader or NFC mobile phone to read the contents inside.
nfc stands for Near Field Communication technology. The technology evolved from contactless radio frequency identification (RFID), developed by Philips Semiconductors (now NXP Semiconductors), Nokia and SONY, and is based on RFID and interconnect technology. Near field communication