Guide to buying CCTV - WITCH CCTV SHOULD I BUY
In the CCTV buying guide article we want to answer the questions you have when buying CCTV to buy the best type of CCTV depending on your needs. For free consultation, @technologymag Modern Complex to help you with this. In past articles, we comprehensively reviewed CCTV and its types. As we noted in those articles, CCTV in our lives today, filled with insecurity and mistrust, is a practical means of enhancing security. CCTV applications are extensive, for example for securing a residential or commercial space, controlling children and nannies, monitoring personnel and increasing business efficiency. Follow the article Guide to buying CCTV with us.
Types of CCTV In general,
CCTV is divided into two types of analog and IP network. In analog cameras, image transmission is done with coaxial cables, but in the network camera, this transmission is performed on the network platform and network cables such as CAT5 or CAT6. The cost of network cables is higher than coaxial cables and of course network cables have higher transmission speeds.
Recorder The DVR
device is responsible for broadcasting and recording images in analog models in IP network cameras under the network called the NVR recourse device). There are different MODELS of DVR available in the market that have different capabilities, here we will examine them. The DVR device requires an internal hard drive to record images, which must be purchased individually and placed on the device.
DVR devices have different playback qualities and depending on the camera purchased it should be selected for example if you bought a 4-megapixel camera, DVR HD does not have the ability to play the highest quality of your camera and you will not have a 4-megapixel image quality and you will see a far lower quality image, so it is better to choose the desired cameras before choosing the DVR and it is better.
Get advice from experts in the field before buying. Today, for network cameras, you no longer need a switch to transfer images, and with a POE you can transfer cameras to NVR and easily transfer images.
CCTV Cameras
CCTV cameras are divided into several general categories in terms of appearance. The first category are livestock or dome-shaped cameras that are mostly used in interiors.
The other type is the ballet cameras, which are mostly used in the outdoors. When shopping, you should note that the cameras have water and dust resistance standards, especially those used in the outdoors, so that the camera is not damaged during rain.
The other category is PTZ cameras, which can rotate at certain angles.
CCTV Lens
The image quality of the CCTV varies depending on the lens on it. In analog cameras, there are cameras ranging from 1 MP to 6 MP in the market, each of which has its own technology manufacturers, each of which we have specialized in separate articles. IP network cameras have a stronger lens sometimes up to 8 megapixels and higher than analog cameras.
Camera image resolutions ranging from HD to 4K are available in the market, which you can purchase according to budget and need. As mentioned in the DVR section, when purchasing the compatible DVR device and the camera purchased together, check to get the best out of the CCTV system you purchased. Modern kashana offers you to buy 4-megapixel exterior cameras and 2-megapixel camera interiors.
Night vision In CCTV
cameras to capture images in dark places, LED lights are embedded on the cameras so that the cameras in absolute darkness also have the ability to capture high-quality images. This feature is called night vision. Cameras usually all have night vision. The difference is the range of these LED lights to how far they can be covered so that the cameras can image the location. This amount of range usually starts from 20 meters and depending on the LED light, cameras with a range of 100 meters are also available. The offer of modern kashana is that cameras covering distances of 20 to 40 meters are suitable and do not require additional costs. Longer boards are used for special cases.
The cost of buying a CCTV
system The most important issue in purchasing a CCTV system is the amount of funding that needs to be considered. If you have a series on the market and on existing sites, you will notice that a variety of brands have produced CCTV. In the article, we have reviewed the top 10 brands of CCTV.
Dahua, Hikvision and Haylock brands are reputable brands in regulatory systems. The cameras of these brands have their own new and exclusive technologies that provide users with better image quality and features, which of course, these features have caused their prices to be higher than the brands in the market. Other brands, also known as AHD, are cameras with relatively good quality and have a lower price and are relatively good capabilities, now choosing the type of brands depends on you and your budget. In general, network cameras have a higher price than analog cameras.