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DVR |
NVR |
| Understanding the Difference |
| It stands for |
Digital Video Recorder |
Network Video Recorder |
| Process Video Recording |
The DVR is an electronoc device, the input of which is from a direct connection to the camera and the video is encoded and processed at the DVR |
The NVR is a software program and it inputs the video from network. The video on an NVR is firstly encoded and processed at the camera, then streamed the NVR for storage for remote viewing. |
| Each Uses different types of cameras |
DVR uses analog security camera (CCTV Cameras) that are connected via a coax cable |
NVR uses IP Cameras (standalone image capturing devices) that are transmitted via a network cable |
| Choose the right one for you |
| Advantages |
Money Saving |
Flexible placement |
| No worries about signal loss |
Simple cable connections |
| Easy to use |
Higher recording quality |
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Popular choice in the age of internet for its convinience |
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No promximity needed |
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| Disadvantges |
Complex Cabling |
Depending upon technology |
| Lower quality videos |
Potential compatibiltiy issues |
| The equipment needs to be closer |
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| Comaprison Chart |
| Cameras Type |
Analog Cameras |
IP Cameras |
| Recording Quality |
Low |
High |
| Connectivity/Signal |
Excellent |
Excellent |
| Installation |
Complex |
Easy |
| Cable Type |
Coaxial (like analoge antenna) |
Wi-Fi / Power over Ethernet / Powerline Communication |
| Configuration |
Plug and Paly |
Manual/Automatic configuration |
| Cost |
Lower Return on Investment |
Higher Return on Investment |