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Products & services > Product catalogue > Glossary
Glossary
WAN (Wide Area
Network) |
A data-communications network spread across a wide geographic area and incorporating a large number of users. A WAN often uses transmission devices provided by common carriers. Examples of WANs include Frame Relay, SMDS and X.25. |
| Wavelets™ |
A suite of digital compression tools that is becoming popular in the CCTV industry, giving good picture quality at higher compression rates. |
| Wiegand |
Originally a high security card and reader system using the properties of a unique alloy wire to produce a binary number. Now used more frequently to describe readers and controllers using Wiegand format data. |
| Windows |
Graphical user interface. |
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