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Application of RFID UHF reader
Sep 14 , 2020
The automatic recognition of UHF long range reader is an important method and means for the automatic reading and input of information data. It is a comprehensive scientific technology based on the development of computer technology and communication technology. Automatic identification technology has made great progress in recent decades, and a set of computers including bar code technology, magn...
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Why most of people will take QR code reader with Access control?
Sep 26 , 2020
The application of QR code recognition in access control and visitor systems With the rapid development of smartphones, applications such as scanning QR codes to add friends and scanning QR codes to pay have been widely used. The convenience of QR codes has been quickly accepted by people. QR codes can be seen everywhere in shopping malls and supermarkets in China. Even the vegetable market h...
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Why we need Access Control systems?
Oct 10 , 2020
S4A Access Control systems with 2kinds, standalone access controller, and network access controller with software to manage it.Here are 8 BENEFITS OF ACCESS CONTROL SYSTEMS 1- No More Lost KeysWhen an employee quits and fails to return his or her company keys, the business is stuck with the expense of making new keys and possibly even changing the locks. The same would apply when an employee ...
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The Difference between EM Cards and Mifare Cards
Oct 16 , 2020
IC CARDThe full name of the IC card is“Integrated Circuit Card“. IC Card Universal Integrated Circuit Card (Integrated Circuit Card), also known as Smart CARDS (Smart Card). Read/write, large capacity, encryption, data record, reliable and more convenient to use, such as cartoon systems, consumer systems, etc., Generally used for access control (RFID Cards)and door phone system...
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Technology is the core combat power of access control enterprises
Oct 19 , 2020
In the past two years, Overseas smart access control products have gained room for development due to their high-tech, multi-functional and open advantages. With the increasingly fierce competition in the industry, technology-led emerging markets, and more industrial capital attention and investment reminders Only through innovation can we enhance our ability to adapt to the market, without f...
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Why do we need S4A Access Control Systems?
Oct 23 , 2020
Why do we need S4A Access Control Systems?If an organization manufactures, designs, or develops something, there will be intellectual property that may be of interest to other companies or people. Most importantly, organizations have a responsibility to keep their employees safe at work. For all of this, you can use access control systems to secure parts or a building, site, or estate. Access...
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Which kind of fingerprint sensor will be better? Semiconductor or Optical?
Nov 20 , 2020
Which kind of fingerprint sensor will be better? Semiconductor or Optical?There are two types of fingerprint sensors for Standalone access control in the market: one is an optical fingerprint sensor and the other is a semiconductor fingerprint sensor.Below, S4A Sales representative Ms. Anna Zhang will introduce the advantages and disadvantages of these two fingerprint sensors, as below:Advant...
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What is the difference between RS485 and Ethernet?
Dec 19 , 2020
What is the difference between RS485 and Ethernet? Many clients asked: Hey S4A, for the access controller, What's the communication port I need to take? RS485 or Ethernet, For better to understand, we will explain it in this way:While Ethernet is the most commonly used communication protocol among multiple types of devices, ranging from consumer gadgets to industrial devices, TI...
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Don't want to get through,the smart rfid card will provide the whole solution
Jan 28 , 2021
As a place with a huge flow of people and vehicles, frequent entry and exit, complex and changeable personnel identities, modern smart buildings are difficult to manage and prone to security risks; combined with the comprehensive management requirements of modern smart buildings, a set of visitors, passages, elevators, andaccess control, Time Attendance, Patrol, Parking lot for UHF rfid reader and...
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Is there a bug? Why does the fingerprint sensor fail when exposed to water
Feb 27 , 2021
Fingerprints glass door locks, due to their lifelong immutability, uniqueness, and convenience, have almost become synonymous with biometric identification. Fingerprints refer to the uneven lines on the skin on the front of a human finger. The lines are arranged regularly to form different patterns. The starting point, ending point, joining point, and bifurcation point of the ridge is called the m...
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Solve the problem of RFID bypass attacks and greatly improve security
Mar 03 , 2021
Radiofrequency identification (RFID) is a communication technology that can identify a specific target through radio signals and read and write related data, without the need to establish mechanical or optical contact between the identification system and the specific target. In the process of RFID is widely used in all aspects of life, its security has become a major challenge. Researchers from t...
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QR code access control device and mobile phone are disconnected from the Internet, can I open the door?
Mar 05 , 2021
A netizen posted on Weibo, telling his embarrassing experience: the netizen was in a hurry to go to work and was about to be late in 5 minutes, rushed into the office building, hurriedly took out his mobile phone, and prepared to scan the code to enter the door. An embarrassing scene happened. Due to network problems, the QR code could not be loaded on the mobile phone. It didn't work for a lo...