Active proximity cards are also known as vicinity cards. These cards uses internal lithium battery. Unlike passive proximity cards, these cards have range up to 6 feet or 2 meters. These cards are generally used for . However as they are powered by battery, they are required to be replace within 2 to 7 years.
There are variety of proximity smart cards and proximity key fobs available in the market for gaining physical access such as kantech proximity cards, HID proximity cards, indala proximity card, "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: "Times New Roman"; mso-hansi-theme-font: minor-latin;">, AWID proximity cards
Advantages of Proximity Cards
are used for dual purpose i.e. to get both physical and logical access control. These cards are used immensely use in organizations to access better and effective security measures. They are useful for checking access for restricted areas such as technology server, networks, etc. in an organization. One of the other usage of low price proximity card is that as audit reports are generated so they are used for marking employee attendance. Another feature of proximity cards are that they can be programmed to be read by multiple readers and thus they provide more flexibility with addition of new proximity readers and access control systems. For logical access control, proximity cards are also used for digital signatures, digital certifications, web authorization, email encryption, etc.