Since the launch of QR code access control, there has been a lot of controversy. Facing the previous ID card, IC card access control, and QR code access control, what are the advantages?
ID card, an earlier access control card, is a non-writable proximity card. The ID card is the same as the magnetic card. Except for the card number, the card has no security function. Being copied, it is also easy to be cracked. With the improvement of people's requirements for security performance, ID cards are gradually being phased out.
IC card, also known as integrated circuit card, is increasingly favored by people because of its easy portability and large storage capacity. IC card can be very convenient to store car fee, telephone fee, subway fare, canteen meal fee, road payment, shopping tour, trade service, etc. The security level is slightly higher, and there are still most applications in the market, but with the With the rapid development of information technology, it is an inevitable trend to withdraw from the stage.
QR code is a super popular coding method on mobile devices in recent years. It can store more information and represent more data types than traditional Bar Code barcodes. Each code system has its specific character set; each character occupies a certain width; has a certain check function, etc. At the same time, it also has the function of automatically identifying the information of different rows, and processing the rotation change point of the graphics. It stores more information and is convenient to carry. The user's favorite also brings great convenience to the user.
The QR code access control also came into being. The QR code reader, as the "eye" of the QR code access control, plays a vital role. The encryption is sent to the controller to prevent deciphering, and the security is greatly improved. A good QR code card reader also affects the user's experience of the entire access control, the recognition speed, sensitivity, quality, appearance, etc. of the access control card reader. affect the user's experience.
Author:Written by Ms.Vivian He from S4A INDUSTRIAL CO.,LIMITED
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