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Thursday, December 2, 2021

NFC vs. RFID: What’s the Difference Between Them?

NFC vs RFID, which is the best? What is the difference between NFC and RFID? These questions always confuse us. NFC technology originated from RFID technology. But there are some differences between them. Now, Asiarfid will take you to figure out three questions: What is NFC technology? What is RFID technology? And how they differ?

What is RFID?

Radio Frequency Identification (RFID) is a non-contact automatic identification technology. It automatically identifies target objects and acquires relevant data through radio frequency signals. It can work in various harsh environments without manual intervention. RFID technology can identify high-speed moving objects and multiple tags at the same time, which is fast and convenient to operate. 【More about RFID】

What is NFC?

NFC technology is derived from contactless radio frequency identification (RFID). It is a kind of near-distance wireless communication technology. Like RFID, NFC is also transmitted by electromagnetic induction coupling. However, there are still big differences between the two. First, NFC is a wireless connection technology that provides easy, secure, and fast communication. Its transmission range is smaller than that of RFID. For example, NFC Cards. Then, NFC is compatible with the existing contactless smart card technology. And it has become a formal standard supported by more and more major manufacturers. Finally, because NFC is a close-range connection protocol, it is more private and secure than other connections. 【More about NFC】

What’s the Difference Between NFC and RFID Technology?

1. Working Frequency: The working frequency of NFC is 13.56 MHz. And the working frequency of RFID includes low frequency(125 kHz), high frequency (13.56 MHz), and ultra-high frequency(860~960Mhz).

2. Working Distance: The working distance of NFC is theoretically 0-20 cm. But in the realization of the product, because of the special power suppression technology, the working distance of NFC is only 0-10 cm. That can better guarantee the security of the business. Due to RFID has different frequencies, its working distance varies from several centimeters to tens of meters.

3. Working Mode: NFC supports both read-write mode and card mode. In RFID, card readers and contactless cards are two independent entities, which can not be switched.

4. Point-to-point Communication: NFC supports P2P mode and RFID does not support P2P mode.

5. Application Areas: RFID is more used in production, logistics, tracking, and asset management. NFC often works in access control, bus cards, mobile payments, and other fields.

6. Standard Protocol: NFC protocol is compatible with high-frequency RFID, that is, ISO14443/ISO15693. NFC technology also defines a relatively complete upper protocol. For example, LLCP, NDEF, and RTD.

Item RFID NFC
Introduction Short for Radio   Frequency Identification, one of automatic identification technology. Short for Near   Field Communication, a new technology, originated from RFID.
Main Feature – Wide   applicability – Short distance
–   Can read multiple tags simultaneously – High bandwidth
– High   efficiency – Low energy consumption
–   Uniqueness – High safety
– Long   reading distance – Peer-to-peer
– Tags   transmit and read data – Compatible with RFID
  – Tags transmit data
Frequency – LF: 125   kHz – 13.56MHz
– HF:   13.56MHz
–   UHF:860~960 MHz
Read Range – Passive: 1-10m – 0 cm- 10cm
–   Active: 10-100m
Popular Application – Asset    Management – Mobile payment
–   Inventory Management – Electronic ticketing
– Animal   Tracking – Access control
– Parking   Management – Mobile identity identification
–   Vehicle Tracking – Anti-counterfeiting
–   Production Management  
–   Logistics Tracking  

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