First Era: Analog Video Surveillance AgeThe era of analog video surveillance had its genesis primarily in the 1970s, marking the inception of video surveillance technology. During this epoch, the primary equipment for video surveillance involved analog transmissions using coaxial cables, controlled from a central unit, and storage relied on VCRs. However, the limitations of VCR tape storage nec...
Under the same resolution conditions, a higher video bitrate results in increased image clarity with reduced compression.- Upstream Bandwidth: This term refers to the bandwidth for data sent from the local site to the network, typically measured in upload speed.- Downstream Bandwidth: On the other hand, it relates to the bandwidth for data received from the network, usually measured as download...
Independent Power Supply ModeIndependent power supply refers to the installation of dedicated security surveillance power sources in front of each camera. Each security surveillance power source supplies power to a single camera.Centralized Power Supply ModeIn the centralized power supply mode, a 12V centralized power source is connected to a 220V electrical source, and then 2*1.0 red-black pow...
1. When installing surveillance cameras, it is essential to meet the field of view requirements for your surveillance objectives. For indoor installations, the cameras should be positioned no lower than 2.5 meters above the ground, while for outdoor installations, the minimum height should be 3.5 meters.2. Surveillance cameras, along with their associated components like lenses, camera housings...
