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IP Camera in Metro Station

Fixed lens security camera or vari-focal lens camera? Generally, fixed lens security camera is much cheaper than vari-focal lens camera. But we still recommend vari-focal camera, the vari-focal camera provides consumers and security installe...

Coaxial Cable SYV-75-5

Coaxial cable is widely used in connection for almost all analog video surveillance systems. Similar to other low-end products, almost all coaxial cable are made-in-china, these coaxial cables are compliant with Chinese standard: GB/T14864-9...

Additional illumination for Security Cameras

Without light, we can't see anything, but to security cameras, they are slightly different, some high sensitive security cameras can capture clear monochrome images in starlight illumination condition, they also can see objects in complete ...

Security Camera Installation

Do you know HD-MDI technology? Recently, many security product manufacturers launched HD-MDI enabled high definition analog cameras which support Power over Ethernet (PoE). Compared with current popular HD-over-coaxial solutions such as AHD...

HD-over-coaxial Solution - ccHDtv

HD-over-coaxial solution prevails in analog video surveillance applications. Alf Chang - the a&s Consultant published his studies about the different analog high definition technologies including 960H, HD-CVI, ccHDtv, HD-MDI, HD-SDI and ...