BETEIR Integrates all identification technologies, from The Oldest to Most recent, whatever the make and types of identification. The choice of technology to use for a system access control depends are several criteria. Security remains the major Most element purpose the ease and comfort of use are increasingly decisive in the selection of the system.
• Barcode & bar codehidden:. The Oldest but not secure technology. Easy To Avoid reading the bar code, it can be hidden purpose the security level is very low Example of use: card for the canteen.
• Magnetic: reading a badge contact (or insert scroll). The relative number of bearer is contained in the magnetic strip of the card (ISO track). This technology is Mainly used for applications Where the required level of security is not important. In addition , the wear of the media contacts related technology is taken into account to be.
• Smart cardContact:. Information Stored in a memory is inserted in a plastic holder Example: health card or credit card.
Contactless technologies: RFID
RFID (English Radio Frequency Identification) is an identification technology using radio communication. It is remotely read the information contained Within an RFID chip. These chips contenir year identifying and Possibly additional data. They are integrated into a card (badge) or object (key , remote control, etc.). The remote reading Avoids the wear problems associated with reading by touch.
How does RFID?
The reader Transmits has at signal frequency specific to a radio tag Located in the reading field. When the label, aussi called Expired tag, tag or transponder is "Awakened" by the reader, it Transmits a return signal and a dialogue is Established selon a predefined communication protocol. Some tags include aussi year of accepting additional memory can write commands.
To communiquer, tag and reader must be on the Sami frequency, with a goal as radio, They Are spread over a spectrum ranging from low to very high frequencies.
Unlike bar codes, RFID tags do not need to be visible to be read by the reader, or to be in touch therewith so que le identification takes up. The read distance ranges from A Few centimeters to tens of meters A Few.