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What is the difference between a DVR and an NVR?

DVR'S use dedicated point to point analog cabling to bring  the analog signal from the camera location to it.

NVR'S use the IP Network technology as the back bone for transporting information. The digitalised video, audio streams of the IP camera can be trnasmitted by connecting its Lan part to IP network.

The NVR can be placed at at any place for the video recording from anywhere within the network access.

NVR's have:

  • high image quality
  • remote acceeibility
  • cost effective
  • storage is more flexible
  • scalability

 How Do I choose a CCTV Camera?

Choosing the right CCTV Camera for your digital surveillance system is very important. The Digital CCTV Camera, together with a CCTV Lens, uses a CCD (Charge Coupled Device) sensor that captures the image and turns it into a signal that is sent to the monitor or surveillance system.

 When choosing a cctv camera and lens for a digital cctv system you will need to decide the following.

  Where will the camera be situated Indoors or outdoors

  •  Will the camera have to record in low-light conditions such as at night?
  •  How wide or narrow an angle of vision is required
  •  How far away objects you wish to record will be from the camera
  •  What your budget is.

 At CCTV Central we have a full range of cameras to suit your budget.

  What is H.264?

H.264 is the recording codec that is used when saving the video files captured from your CCTV Cameras. The H.264 codec is smiliary to AVI, or MPEG but...

What is the difference between IP and Analogue cameras?

IP cameras use the Internet Protocol (IP) to transmit video signals over standard network infrastructure where as analogue camaeras typically use coxial cable for video transmission. Most IP cameras can also be powered via the same network infrastructure using POE (Power over ethernet), where as analogue cameras require additional cabling for a seperate power source.

IP cameras can deliver full HD (1080i) image quality, where as analogue cameras can only devlier analogue quality images with a lesser image quality.


Who are we?

CCTV Central is an online store aimed at providing home and small business with the highest quality video security equipment. We keep our prices as low by minimising our overheads. We don't have a showroom but we do have a great website and are just a telephone call or email away if you need any help.


CCTV Central Pty Ltd.

1300 881 162


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