Door Entry Systems
The primary functions of any door entry system should be to control where and when an individual may gain access. This can be achieved by the use of one or more of the following devices depending on the exact customer requirements:
 Keypads/PIN devices
Typically used on a standalone basis to allow multiple users secure access through an individual door
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 Swipe or Proximity Card / Fob
Issued to individual users to allow access through an individual door with the added benefit of increased controllability.
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 Audio Intercom
Typically providing remote communication between visitor and end user, who can then allow access if appropriate.
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 Video / Audio Intercom
As per audio intercom but with additional benefit of real-time video (colour or monochrome).
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