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CCTV Terminology Glossary

Click on the title above to discuss our Glossary of CCTV Terms. This document defines CCTV terminology. You can comment here, or ask additional questions by simply commenting below.

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Security Camera Lens Overview

Which Security Camera Lens Should I Use? How far you need to see will determine what security camera lens you should use to best fit your application. A 4mm lens will give about a 70 degree angle of view with 35 feet of facial detail. This works great for residential or small office security camera […]

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Comparing Analog To HD-over-Coax

Click through the gallery below to compare analog video snapshots to 1080P HD-over-Coax video snapshots. Analog snapshots were taken using a DME700D while HD images were taken using a DLTAD-1080-36 HD-over-Coax camera. HD images have been scaled down from wide-screen format in order to line up to standard D1 Analog resolution. 1 2 3 4 […]

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Comparing Analog vs. IP Technology

In the traditional analog CCTV application, security cameras capture an analog video signal and transfer that signal over coax cable to the Digital Video Recorder (DVR). Each camera may be powered by plugging in the power supply right at the camera or by using RG59 Siamese cable which bundles the video and the power cables. […]

HD-over-Coax Security Systems Overview

HD-over-Coax Security Systems Overview

HD-over-Coax is a new analog high definition (HD) video standard transmitting over coaxial cable. The technology provides transmission of HD video as well as audio, and two-way control data over long distances…

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CCTV Video Broadcast Standards: NTSC, PAL & SECAM

CCTV Video Standards by Country Different countries of the world use different video broadcast standards. You must use CCTV / video equipment that matches your country’s standard or you will have compatibility problems with your components. Use the table below to determine the standard for your country. NTSC Countries PAL Countries SECAM Countries America Abu […]

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Infrared Security Cameras Overview

Click on the title above to discuss our Infrared Security Camera FAQ. The FAQ describes infrared cameras. You can comment here, or ask additional questions by simply commenting below.

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Dome Cameras Overview

Click on the title above to discuss our Dome Camera FAQ. This document explains dome cameras and how they are used. You can comment here, or ask additional questions by simply commenting below.