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How does the QR code access control system realize decryption and unlocking?

February 02 , 2023

The development of access control system, intelligence is its development direction, making the security market more dynamic, from traditional door locks to community intelligent access control systems, from the initial password and card swiping to more secure biometrics. This is all the result of innovation and development. Nowadays, QR codes are frequently used in our daily life consumption, so QR code access control is also easy to become the habit of users to use the access control system. The QR code access control system has gradually become more practical and convenient.


The QR code access control system first needs to be combined with the QR code access control card reader and other access control equipment to form an access control system, which is similar to the traditional card reader. It can recognize barcode-based, extended to QR code or higher identification code; take FCARD brand QR code access control card reader as an example. It can be seen from the logo of the device that it can recognize the identification methods of QR code, IC card, mobile phone NFC, ID card, and CPU card. Of course, it seems that it supports so many identification methods, and behind it needs technical support such as chips. FCARD two-dimensional code access control card reader adopts

QR Code Reader

Dual-core 1G high school image processor, support resolution 640*480 pixels, it adopts automatic sensing mode, can quickly read valid QR code, supports USB support and RS485 output, making it compatible with most access controllers on the market. One of the QR code card readers compatible with 86 bottom boxes is more in line with user experience. To upgrade the QR code access control from the traditional access control, the user only needs to replace the original card reader with the QR code access control card reader compatible with the 86 bottom box to complete the upgrade, reducing the installation cost for the user.


With the wide application of QR code access control systems, people are becoming more and more comfortable using QR codes. For example, many cities nowadays can use QR codes to scan codes to ride cars, and QR codes also have their own limitations. All dynamic QR codes, instantaneity becomes a safer choice.

Author:Written by Ms.Vivian He from S4A INDUSTRIAL CO.,LIMITED

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  S4A-Security For All.S4A Industrial Co., Limited, Founded in 2010, We have been dedicating in access control production R&D and sales for 10year till now. With the belief that we do one thing well in a lifetime, our CEO has been in this industry for 15 years. During the past 10 years, our products have been exported to various countries and regions. And 90% of customers come from the recommendations of cooperative customers, and 80% of the turnover comes from cooperative customers in the past 10years.Your business is a plant, we are the gardener, our mission is to water and fertilize the plant, and make it become the towering tree. We attach great importance to the partner's appeal, customer's suggestions, and feedbacks. To strengthen Product quality awareness, client's service awareness. Our clients and S4A are on the same path walking for many years.       S4A's future would be even more brilliant, this is related to all of our staff's working sweat. When you join this team, you will feel an invisible power to drive walk forward. S4A mainly produces a series of security Door Access Control such as:Network Access Controller, Locker board, Electromagnetic lock, Standalone door Controller, Automatic door opener, etcOur team can manufacture products, sell products, and do after-sales.In the realm of access control, one company stands out for its unwavering commitment to providing security services for everyone. S4A, which stands for "Security for All," has been at the forefront of access control technology for the past 13 years. With its own state-of-the-art factory and a strong focus on research and development, S4A has continuously delivered cutting-edge access control machines with the latest functions. Their dedication to product quality, customer feedback, practicability, and cost performance sets them apart as a leader in the industry.Factory and R&D Expertise:S4A takes pride in its fully-equipped factory, where skilled engineers and technicians work tirelessly to develop and manufacture access control solutions that meet the highest standards. The company's investment in research and development has resulted in a steady stream of innovative products that cater to evolving security needs.By staying ahead of the curve, S4A ensures that their customers have access to the latest advancements in access control technology.Quality Assurance and Customer Feedback:At S4A, product quality is of paramount importance. The company adheres to rigorous quality control procedures throughout the manufacturing process to guarantee the reliability and durability of their access control machines. Each product undergoes comprehensive testing to ensure it meets industry standards and exceeds customer expectations. S4A also places great value on customer feedback, actively seeking input to continuously improve their products and services. By listening to their customers, S4A maintains a customer-centric approach and delivers solutions that address real-world security challenges.Practicability and Cost Performance:S4A understands that access control solutions must not only be technologically advanced but also practical and cost-effective. The company's emphasis on practicability means that their products are designed to be user-friendly, easily integrated into existing systems, and adaptable to various environments. S4A's access control machines are known for their intuitive interfaces, simple installation processes, and seamless compatibility with other security systems. Additionally, S4A strives to provide cost-effective solutions without compromising on quality. Their competitive pricing ensures that security is accessible to businesses and individuals of all sizes.With 13 years of industry experience, S4A has cemented its position as a leading provider of access control solutions. Through their dedication to "Security for All," the company has set a benchmark for excellence in product quality, customer satisfaction,practicability, and cost performance. S4A's in-house factory and research and development capabilities enable them to stay at the forefront of technological advancements in the field of access control. As the company continues to evolve and innovate, S4A remains committed to empowering individuals and organizations with the highest level of security, ensuring that everyone can enjoy the peace of mind that comes with a reliable and efficient access control system.We can create value for you!Quality takes great importance for a company's credibility, and buyer's every penny spend must worth it. That is our most basic principle. Our business mainly for wholesale, so we could offer large quantities at competitive prices. During the past 10 years, We work hard to create value for our customers, and with our help, customers have an increasing market share. 99% of the customer...<
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    Factory Address:Building S4A, South Third Lane, Qiuyuling Street, Zhangkeng Village, Hengli Town, Dongguan City, Guangdong Province Office Address:#601,floor 6 ,building 1,JINFANGHUA industrial zone, Bantian St. Longgang Dist. Shenzhen, PRC.

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