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Differant types of CCTV Systems ?
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*Analog CCTV system send their video in the traditional base band format over coax cable back to a digital video recorder (DVR). Here, video is digitized and stored on hard drives.
*AHD HD CCTV is an analog high definition closed-circuit television video surveillance standard that uses coax cable to transmit HD video from security cameras to DVRs.AHD supports 720p and 1080p HD video resolutions.
*HD-TVI means High Definition Transport Video Interface, It is a DSP-TVItechnology developed by Techpoint(2012), and the Chipset was sold to Intersil , Chinese manufacture, such as Hikvision, HanBang, put this technology into their new product.
*HD-CVI stands for High Definition Composite Video Interface. This is a brand new technology in the security camera industry that provides a different method of transmitting video signals over coaxial cables.
*IP based CCTV An Internet protocol camera, or IP camera, is a type of digital video camera commonly employed for surveillance, and which, unlike analog closed circuit television (CCTV) cameras, can send and receive data via a computer network and the Internet
