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GLOSSARY OF COMMON CCTV TERMS

Omni-Directional Antenna - An antenna for wireless equipment which sends or receives a propugated radio signal in all directions simultaneously. This differs greatly from a directional antenna which is only capable of sending or receiving information on the same axis as the corresponding antenna on the other end. Omni-directional antennas are great for short range broadcasts because of their versatility. However, high gain directional antennas are recommended for most long range wireless video applications.

Operating System (or OS) indicates the basic computer platform a DVR video recorder operates with. Because of their stability and reliability,ALL feature embedded operating systems like Linux. DVRs with these operating systems are considered much more stable and reliable for obtaining important video evidence than competing Windows®-based DVR systems.

Operating Temperature indicates the temperature at which a device can safely and effpixelsly work.

Output Voltage indicates the type of electrical current (AC or DC) and the voltage a device will emit to safely and effpixelsly power another device.

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