Doorking 1815-330 Proximity Card Reader

Doorking Proximity Card Reader Model No. 1815-330  Long lasting, top brand proximity reader by Doorking. This reader must have a controller to function, it is NOT a stand alone unit. Below are the details from Doorking direct: Description: Because physical contact is not required, proximity card readers can read card data through common building materials like: concrete, brick, stone, drywall, plaster, glass, wood, plastic...in fact, through anything but metal. Proximity card readers are maintenance free.   There are no parts to wear out or adjust. Passive card technology provides an unlimited number of "card reads" with no battery to wear out. Passive cards, unless they are physically abused, will last virtually forever. Clamshell, ISO Graphic and KeyTag type cards are available. Read ranges are not absolute and will vary depending on several factors including where  he reader is mounted, the mounting surface and product application. These card readers output their data in 26-bit wieg