GeoVision GV-DFR1352 Door Frame Key Card Reader for Security Systems

hello this is Jason Clement Technical Sales Manager and I sona's and welcome to the certification training module this module is access control the basics our course objectives are to understand how card readers operate and the common technology is understand what peripheral devices operate alongside a card reader understand how access control integrates to fire alarm and life safety systems and understand how legacy access control tables operate so how do proximity readers work the proximity card has a coil of wire inside and other circuitry that store the credential number the reader generates a radio frequency in tune with the card typically either 125 kilohertz or 13.5 six megahertz when the card is presented close to the reader it absorbs that energy that energy is then used to send a credential information back to the reader in the form of binary ones and zeros cards that operate