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IP versus Analog

What should I take: Digital IP or Analog CCTV?

IP cameras can generate better image quality, are easy to install and always expandable. However analog cameras are more efficient, have lower price and are reliable. Both types of cameras have their pros and cons, it's all about the right camera in the right place.

For a good understanding and therefore a good choice for a security camera, a brief explanation of the difference between analog and IP cameras:

IP

IP cameras are excellent in getting high-definition megapixel images, however generally less sensitive to light (meaning less image quality in low light). If the configuration is properly handled, the images are good. This is highly dependent on the camera and the experience of the installer. Easy to connect to an existing network. Keep in mind the distance between the switch and the camera, which is limited.

IP cameras can almost be unlimited extended in an existing network. One cable for power, video and data transmission. Remember the fact that the existing cabling has limited wattage (normally up to 25W max). For example, a PTZ camera (a camera that lets you 'pan-tilt-zoom') uses 70W.
The images of an IP camera are compressed before they are shown on screen and unpacked for immediate display, this can cause a delay.

Analog

Analog cameras comply perfectly with different lighting conditions and can move (PTZ) perfectly. Analog cameras have a limited number of TVL (TV lines). For monitoring purposes an analog resolution of 520 TVL 1.3 megapixels are more than enough. The DVR or computer belonging to the system delivers the ultimate video quality. A special recorder and software should have to be purchased.
Analog cameras are excellent for live image viewing. The recorder or the software is limited in the number of cameras that can be connected. By using Cat5 cabling and the so-called balloons, analog systems have no loss of quality even when a few hundred meters of cables are used.

Difference IP and Analog

The difference between IP and analog lies mainly in the video-transmission of the signal. IP camera combines the capabilities of a camera with the functionality of a PC, requires no direct PC connection and can be placed anywhere in the network. Like any PC within the network, an IP camera is a network application with its own IP address, whether or not connected wirelessly to this network and therefore it needs maintenance.
IP cameras can generate a higher quality image. Analog camera digitizes the images also but before it can be converted into a video, the image must be converted into an analog signal so that it can be received by a video recorder or monitor. Unlike IP cameras, analog sytems have no built-in webservers or encoders and thus require less maintenance. These functions are in the DVR (digital video recording) recorder.


Our advise: Analog or IP 
CCTV ?

IP is the future and the development is overtaking analog quickly. Currently IP is still more expensive. In addition, IP also imposes a certain capacity of your network. The maximum efficiency of IP technology can be achieved when both the installer and end user well aware of the capabilities of the IP camera system.

Please contact us for advise.


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