Proximity card readers are maintenance free. There are no parts to wear out or
Proximity cards transmit their information to the card reader without any
physical contact. This provides an easy to use vandal resistant system. Access
is granted when a valid card is presented to the card reader.
Passive card technology provides an unlimited number of "card reads" with no
battery to wear out and, unless abused, will last virtually forever. Active Tags
will provide an increased read range but use a battery that will require replacement in time (approximately 2-years).
Passive cards, unless they are physically abused, will last virtually forever.