Security Cameras AHD, HD TVI And HD CVI
Security cameras AHD, HD TVI and HD CVI are innovative security cameras that have brought the best of the analogue and digital world for the benefit of high resolution image quality, ease of installation and low cost.
The security cameras AHD, HD TVI and HD CVI are cameras that have analog signal and image quality of a digital camera such as the IP camera.
The advantage of security cameras AHD, HD TVI and HD CVI compared to the IP camera is that the transmission signal of your images is analog and therefore the cost of equipment and installation is much smaller than an IP camera, but the image quality is equal.
But what is the best technology on the market?
I’m going to make a comparison between these 3 new technologies with other technologies on the market that include conventional cameras, HD SDI cameras and IP cameras and then do a summary by extracting the key information you need to know to find out what is the best technology on the market:
Signal type: Security cameras AHD, HD TVI and HD CVI has the analog signal, the same found in conventional cameras. The SDI HD cameras and IP cameras have Digital signal at securitypology.
Image resolution: Conventional cameras reach maximum 700TVL (lines).Security cameras already AHD, TVI HD and HD CVI can have 720 p (pixels) (HD quality) or 1080 p (pixels) (Full HD quality). HD SDI cameras have 1080 p resolution and IP cameras range from low quality to higher quality 1080p.
Compatibility with coaxial infrastructure: the biggest advantage of the security cameras, HD TVI and AHD HD CVI is able to use the same coaxial cables used in conventional cameras. What does not occur with IP cameras that need network cables. HD SDI cameras already require special coaxial cables. There are special coaxial cables for high resolution cameras that have a much larger range without amplifier, as the Beta Cavi coax cable.
Maximum range of cable distance without amplifier: another great advantage of the security cameras, HD TVI and AHD HD CVI can be used coaxial cables of up to 500 metres away. The IP security cameras and HD SDI cannot exceed 150 metres.
Requirement of quality cables: the camera AHD is that least needs a quality cable. The TVI HD cameras and HD CVI require a bit more quality and HD SDI cameras require a high quality cable. Ip cameras require network cables.
Equipment and installation Costs: a little bit more expensive than conventional cameras, but delivering a much higher image quality, thesecurity cameras, HD TVI and AHD HD CVI are the cameras with the best cost-benefit of the market as it has low costs, being the technology AHD the cheapest of the three. The IP cameras and HD SDI has a high cost, would require expensive equipment and a particular installation.
Delay (delay in image reproduction): the only one that presents a slight delay in the image are the IP cameras.
This information can we extract briefly that:
The security cameras AHD, HD TVI and HD CVI has the same analog signal of conventional cameras.
The security cameras AHD, HD TVI and HD CVI has the same quality of image resolution, ranging from 720 p (HD quality) up to 1080 p (Full HD quality).
The security cameras AHD, HD TVI and HD CVI use the same coaxial infrastructure of conventional cameras.
AHD cameras, HD TVI and HD CVI can use 500 metres away cables without signal amplifiers.
The security cameras HD TVI and HD CVI require medium-quality cables and AHD does not require quality cables.
The security cameras AHD, HD TVI and HD CVI not present delays in image reproduction. Only the IP camera can present this delay.
The security cameras AHD, HD TVI and HD CVI are the ones that present the best value in both the purchase of the equipment when the value of the labor of installation.
AHD cameras are cheaper than the TVI HD cameras and HD CVI. The IP cameras and HD-SDI cameras are very expensive. Conventional cameras have a cost-effective low, because the image quality is much lower than at security cameras AHD, HD TVI and HD CVI and the difference in value is not great.
Without pretensions advanced techniques, but objective and clear, we show in this article the main differences between the security cameras AHD, HD TVI and HD CVI and conventional cameras, IP cameras and HD SDI cameras.
Our opinion is that cameras AHD feature the best technology on the market, as well as presenting more options of cameras, are cheaper than cameras HD TVI and HD CVI and does not require a cable of good quality.
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