When you make the decision to add or upgrade a security system, choosing a high quality surveillance system at a reasonable price can be difficult. Just Google “residential security camera systems”…
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.
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 […]
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 […]
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 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…
Click on the title above to discuss our Video Compression and Transmission Glossary. This is a glossary of terms relating to video compression and transmission. You can comment here, or ask additional questions by simply commenting below.
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 […]
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.
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.