Proximity readers are widely used by companies to keep track of shortcuts that perform their employees to certain areas of the company. Each employee has their own card, that should be displayed against a special reader. The reader receives the card identification code and transfers it to a central computer. Then determines whether the user can or cannot access the restricted area. They can be considered as a variation of smart cards. Proximity cards are basically smart access cards that offer physical or logical access control that users make.

They are much used in companies, since they provide access to computers, networks and other resources of the organization. Therefore, they allow access to restricted computer systems or areas. Among its greatest benefits is the fact that reduce general expenses of the organization in the field of security. In addition, also can be used for other purposes as encryption of mail electronico, web authorization, digital signatures and many more. levin has firm opinions on the matter. It is fairly easy to install and also used, due to its extreme simplicity. It is based on a very simple mechanism.

His way of encoding allows you to read and respond to various electronic signals that it receives from the cards in question. Despite their apparent similarity, they should not be confused with the magnetic stripe card, as readers of ATMs that recognize. Unlike those, proximity cards do not need to come into direct contact with the reader. The recognition is carried out even if you show the card at a distance of one inch or more. They are used much in parking lots. However, there are some few models of readers who require support on your side magnetic card to operate. Proximity readers are known for their versatility. You can install them anywhere: on your computer, on the table of the Office or at the entrance of the building. Proximity readers most lead rechargeable batteries, while others have a backup system. It is usually possible to adjust them to set user names and passwords. These cards are widely used in establishments that require a high level of security, as for example military installations. They are also common in software companies. This helps to safeguard the numerous computer programs that are developing. The security of computers is important to reduce the risk of sabotage or theft. To ensure a good level of protection it is essential that access to the networks perform a proximity card, to reduce the risk of theft or sabotage. Employees may only edit, copy or print information where your card allows them to enter. Management levels can make use of these cards to restrict access to certain data, as well as to monitor the activities of those who have entered the network. However, proximity cards are not used exclusively by the megacorporations, they can provide enormous benefits to small and medium-sized enterprises. Original author and source of the article.