The difference between FID and NFC
NFC technology originated from RFID, but there are certain differences
compared with RFID, mainly including the following:
1. Working frequency: The working frequency of NFC is 13.56MHz, while the
working frequency of RFID includes low frequency, high frequency (13.56MHz) and
ultra-high frequency.
2. Working distance: The working distance of NFC is theoretically 0~20cm,
but in the realization of the product, due to the use of special power
suppression technology, the working distance is only 0~10cm, so as to better
ensure the security of the business. Since RFID has different frequencies, its
working distance varies from a few centimeters to tens of meters.
3. Working mode: NFC supports both read and write mode and card mode. In
RFID, the card reader and the contactless card are two independent entities and
cannot be switched.
4. Point-to-point communication: NFC supports P2P mode, RFID does not
support P2P mode.
5. Application fields: RFID is more used in production, logistics, tracking
and asset management, while NFC works in access control, bus cards, mobile
payment and other fields.
6. Standard protocol: The underlying communication protocol of NFC is
compatible with the underlying communication standard of high-frequency RFID,
that is, compatible with the ISO14443/ISO15693 standard. NFC technology also
defines relatively complete upper-layer protocols, such as LLCP, NDEF and
RTD.
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