| Proximity readers are among the simplest access | | | | single-gang box, and some have a battery back-up |
| control systems to install and use. The principle is | | | | power system. |
| simple: they are encoded to read and respond to | | | | Like other access control systems, proximity readers |
| electronic signals from access cards, and only to cards | | | | (for example, those used in computer networks) can |
| that are specifically authorized. Unlike the swipe cards | | | | be programmed to accommodate static passwords, |
| used at ATM readers at groceries and other stores, | | | | username and password systems that can be |
| most proximity cards don't require contact with the | | | | changed as personnel come and go, or bundled with |
| reader or a Personal Identification Number (PIN) to | | | | compatible software that increases controllability. |
| work. Proximity is enough, with sensitivity limited to as | | | | "Slave" units can be installed to control printers, |
| little as an inch or two or expanded to over a foot - | | | | photo-copiers, and other LAN-connected hardware to |
| especially useful for handicap-access doors, parking | | | | track and monitor employee use (and control abuse). |
| garages, etc. | | | | Systems are also extremely flexible in limiting physical |
| With some systems, contact is required: you simply | | | | access to specific personnel, allowing all employees to |
| touch the card to the magnetic-responsive face of the | | | | gain entry to certain parts of a facility, but only those |
| reader. Alternatively, or additionally, a numeric key-pad | | | | with specially coded cards to enter a boardroom, |
| is used in conjunction with the magnetic coding | | | | supply room, secure file room, etc. |
| embedded on the card. | | | | A proximity card system can be one of the most |
| Proximity readers are also extremely versatile: they | | | | affordable access control systems you can invest in, |
| can be installed on computers, file cabinets, office | | | | and not just for businesses. Securing homes with |
| doors, building entrances, or interconnected throughout | | | | proximity readers - and limiting cards to family |
| a corporate enterprise, allowing an authorized card | | | | members - is a popular option for some households. |
| holder to access the home office in New York and | | | | Whether it's a simple, one-door controller with just a |
| the warehouse in Miami with equal ease. Some don't | | | | few cards or a company-wide system that authorizes |
| even need to be wired, but operate using long-life | | | | tens of thousands of users, a proximity reader system |
| rechargeable batteries; most are hardwired through a | | | | that's right for you is available, affordable, and reliable. |
