card access control door is a system which can or to restrict users to access a room by placing system control device on the door. In Door Access Control, Access control refers to the practice of restricting entrance to a property, a building, or a room to authorized persons.
Access control can be done by personnel such as border guards, doormen, ticket inspectors, etc., or with a device such as a key (Lock). However, when the access control in the form of a guard or a manual lock has many limitations, electronic access control system using computerized or mirokontroler solve these limitations. Access control system, combined with a simple door lock (lock) has now been developed as combined with a system of cards (card) eg RF ID (Magnetic Card), Smart Card or other card or a more up to date and a higher level of security such as biometric systems fingerprint (fingerprint), face (face) tau with the retina. If you want to find cheap and high fire control access card you can send your request to purchase Indotrading.com and can greatly save your time in searching for card access control. All requests your purchase will be sent to all distributors and suppliers who joined in Indotrading.com safety glasses. Indotrading.com has Distributors, Agents, Supplier, Exporter, and importers and QUALITY best suit your needs.