What is a Proximity Card?
Active proximity cards
Active proximity cards are also known as vicinity cards. These cards use the internal lithium battery. Unlike passive proximity cards, these cards have range up to 6 feet or 2 meters. These cards are generally used for automated toll collection. However as they are powered by a battery, they are required to be replaced within 2 to 7 years.
There are the 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, AWID proximity cards, etc.