NFC (near field communication) is a technology that allows two devices, such as your phone and a payment terminal, to communicate when they are in close proximity.
Contactless payments are made possible via NFC technology.NFC is the technology at work here; it’s the way the mobile device and the NFC-enabled point-of-sale system communicate with each other to complete a payment.
However, the devices must be nearby to one another. To make a contactless payment, the phone must be two inches or less from the reader.
The Global Near Field Communication (NFC) reader market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
The future of wireless sensing relies on near-field communication. Near-field communication emerged nearly two decades ago as a high-security, wireless, short-range data exchange technology; its ability to simultaneously transfer power and data between devices opens up exciting possibilities for the design of miniature, battery-free, and disposable sensing systems in health care and food quality monitoring.
The concept of near-field communication (NFC) is straightforward. Wireless inductive coupling allows two conductor coils in close proximity to exchange electrical power across short distances.
To read and write digital data onto a silicon chip, the amplitude of the radio frequency signal can be modulated using amplitude (similar to Morse code) or phase shift keying.
This allows for the simultaneous transfer of data and power.NFC technology is built into the majority of smart gadgets, contactless (bank) cards, and electronic passports.
NFC can transfer enough electrical power to power most low-power, low-cost gadgets and sensors. NFC does not require batteries, and NFC tags can be created at a low cost using current high-volume production methods on polyethylene terephthalate (PET) or paper substrates.
The combination of NFC-based wireless power and data sharing with low-cost electronics and sensors enables a variety of previously imaginable sensing applications, both technologically and economically.
The cost, size, and ease of use of linked sensors are crucial in establishing new use-cases. NFC can fill a significant technological vacuum that other wireless technologies cannot adequately solve, particularly when designing Internet of Things or 5G applications.
Currently available NFC-based sensor technologies. NFC-based sensing technologies are increasingly being investigated, with a particular emphasis on applications in health care and food quality monitoring. NFC-based ‘tattoo-like’ wearable disposable sensors are possibly the most developed technology in health care.
These sensors use a thin and flexible polymer substrate that is applied to the skin to deliver non-invasive and largely biophysical measurements, with a smartphone serving as the reader.
Non-invasive biochemical sensing of biofluids, such as analytes in sweat, has been tested on humans, and functioning prototypes have been developed. However, commercial translation is still constrained by low durability, noise, and expensive manufacturing costs.
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