17.2 Smart cards

• Proximity Smart Cards are contactless cards, or wireless proximity cards. They contain a microchip that identifies the card. The cards have a maximum range of 3-7 cm which means that in many cases can be read while still inside a wallet or gymbag. The internal microchip makes it nearly impossible to forge the card. So you can be sure that if gymmaster recognises a card that it's one you issued.
• For access control the Proximity Card Reader has a capability to operate an electric latch on a turnstile, gate, or door,
• The Proximity Card Reader also has small LCD display that can display short messages to the cardholder
• Proximity smart card reader software is started by the ``card sentry'' programme, the icon for this should be on your desktop. You will need to plug your reader into the serial port of your computer.