NFC (Near Field Communication) Access Control allows for keyless and frictionless door entry using a smart phone device for authentication.
NFC Access Control (an acronym for Near Field Communication) allows for keyless and frictionless door entry using a smart phone device for authentication.
This short-range transmission radio frequency technology is a standard feature of most smart phones and is the same technology used for contactless payments from your phone or smart watch.
Access and Intercom system manufacturers are now incorporating NFC reader technology into access control and door intercom devices as a standard option as the trend for secure, convenient, wireless door unlocking becomes a growing requirement for residential and commercial users.
This trend is particularly prevalent in MDU (multi dwelling unit) developments – apartments and flats - multi-tenant office buildings and now, increasingly, in shared office co-worker spaces where 24 hour access is increasingly available and a younger, tech-savvy demographic has an expectation of contactless authentication such as payments, ticketing and now access control.
NFC is a wireless technology /short range communication data transfer method, it detects and enables technology that is a distance of 4cm or less (all without the need for internet connection). It requires another device to receive the signal.
Just like other wireless signals/methods, NFC works by sending information over radio waves. NFC evolved from RFID, it has one chip that operates as one part of a wireless link when another chip activates it – small amounts of data can transfer between the two devices when they are held a few cm’s away from each other.
NFC doesn’t use much power which makes it a much more efficient wireless communication type. NFC works by identifying us by our enabled cards/devices e.g. our bank accounts and other personal details.
Passive NFC devices, such as tags and small transmitters, can send information to other NFC devices without a power source. However they cannot process information sent from other sources or connect with other passive components. These are often in the form of interactive signs/adverts.
Active NFC devices such as smart phones can both send and receive data and communicate with other active NFC’s as well as passive ones. Public transport card readers and contactless payment terminals are also another example of active NFC technology.
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