TVL AND 1080P CCTV BUYING GUIDE

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PLEASE BE AWARE of some seller trying to sell you analogue CCTV such as (600TVL, 800 TVL, 900TVL 1000 TVL 1200 TVL ) instead of 1080p
1080P System it should be minimum 2 mega pixel cameras resolution not TVL
 1080P SYSTEM ARE INCLUDED AHD SYSTEM, HD TVI OR IP CAMERAS  2 MEGA PIXEL RESOLUTION.
 When they advertise as 1080p sometimes DVR has got 1080p HDMI output and it does not mean cameras are 1080p quality.
 
If you are looking to buy HD quality system make sure the cameras are not TVL resolution and they are Mega Pixel.

What is HD TVI ?
HDTVI (High Definition Transport Video Interface) is latest HD analog video solution.HDTVI can provide HD video up to 1080P resolution at real time. Different from HD-CVI and HD-SDI solutions, HDTVI can support long distance video transmission which reaches up to 500 meters
Please note if you buy HD TVI cameras you need HD TVI DVR supported.

What is AHD?
AHD is  analogue  High definition  which can work over coaxial cable. 
Available resolution in the market is 720P and 1080P . Benefit of AHD is, DVR is cheaper and camera prices are cheaper than HD TVI. If you dont need 500 meter transmission distance you can save a lot with AHD systems.


TVL guide: 
CCTV Cameras use TV Lines (TVL) to rate the quality of the image resolution. The higher the TVL number is the better quality footage that camera is going to give you but all of them are analogue and it doesnt matter if you go for highest TVL.

Mega Pixel guide:
Megapixel means one million pixels. The resolution of digital cameras and camera phones is often measured in megapixels. For example, a 2-megapixel camera can produce images with two million total pixels.

THIS IS A TEXT FOR CCTV CAMERA QUALITY 1080P 720P AND ANALOGUE
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THIS IS A TEXT FOR CCTV CAMERA QUALITY 1080P 720P AND ANALOGUE
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