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Can NFC Be Used For Access Control?

nfc for access control

Today’s market is flooded with plenty of options to choose from when putting in an access control system. You have to choose from the type of ID badges, where to put access points, and lastly, how you want to authenticate cardholders. Due to their ability to provide selective access to the building and operate on low frequency and proximity distances, NFC-enabled solutions are now emerging quickly as a universal standard in access control.


NFC access control


NFC access control allows for frictionless and keyless door entry when using a smartphone device for authentication. The NFC access control is prevalent in MDU (multi-dwelling unit) ¬†developments (flats and apartments). The technology employs one card or key and one reader. The card contains the identifying information that allows a connected access panel to either deny or authorize access to the cardholder, as it is coded with the tag data. The key reads the information and verifies the person’s identity when it is tapped over an NFC reader. The communication is not only limited to authentication but also it can record detailed access information including how long access was granted and the exact time access was granted.

In the modern world, NFC technology is being used in cloud computing access control, physical access control, property, and system security. To grant access to the necessary cloud computing resources or protected locations, in this type of access control system, the smart card data is transmitted over the internet to a centralized location within your system. The technology is used to simplify the concept of access badges or keys. The fundamental principle of NFC technology is to allow data to be transmitted securely over short distances. Also, a smart card can be used to send information to NFC-enabled devices such as laptops, tablets, and mobile phones, or allow them to access cloud-based networks and system resources over the internet. NFC access control systems act as the key or information tag for an NFC-equipped reader and are managed through apps installed on smartphones.

NFC technology not only simplifies access control but also offers a cost-efficient and flexible solution.


How does it work?


The NFC-enabled solutions comprise of a target (key fob, card, tag, or sticker) and an initiator (a reader). The fob/card is programmed with the data that carries the identifying information that will enable a linked access panel to either authorize or deny access to the building. Also, when the mobile device is tapped or swiped over the NFC reader, a communication channel is established and data transactions take place to authenticate the authority of the user to access the secured applications, area, or resources.


Benefits of using NFC for access control


1. Improve user experience

Organizations can forget about complex passwords, especially in large buildings with high visitor flow with NFC-enabled devices.


2. Improve security and data management

Organizations can record real-time information about their employees’ attendance and working hours. Every time an employee accesses monitored points within the building, the data is collected.


3. NFC allows you to use your smartphone as your access key

Through the apps installed on smartphones, you can manage some of the latest NFC access control systems that can be used as a tag for the NFC reader. Therefore, when the smartphone is tapped over the NFC reader, it activates the communication channel, enables data transaction, authenticates the user, and grants or denies access to the building.


4. Cost-effective

The reduction in ID passes, keys, and key cards can provide significant cost savings as the entry authentication device is the user’s smartphone.


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