Video Surveillance NVR Versus DVR

The difference between an NVR and DVR is confusing to many

Network Video Recorders (NVRs) record IP Cameras

Digital Video Recorders (DVRs) record Analog/Coax Based Cameras

IP Cameras connect to an NVR directly or through a Network/PoE Switch over standard Data Cabling (CAT5e or better)

Analog Cameras connect to a DVR over Coax Cable via a BNC connector.

Video on an NVR is Encoded and Processed at the IP Camera, then Streamed to the NVR for Storage or Remote Viewing

Video on a DVR is Encoded and Processed at the DVR

A Network Video Recorders (NVR) is a Software Program that Records Video in a Digital Format to a Hard Disk, USB Flash Drive, SD Card, etc. An NVR contains no dedicated video capture hardware, but, the software usually runs on a dedicated device

A Digital Video Recorders (DVRs) has a small chip inside to Encode and Process the Analog Video into Digital Format for viewing and playback

The ONLY time you need to connect a DVR or NVR to the Internet, is IF you want to be able View the Video Remotely, or receive alerts from the system.

Network Video Recorders (NVRs) with IP Cameras support Video Resolution from 2-Megapixel up to 12-Megapixel (and higher)

deo Recorders (DVRs) with their Analog/Coax Based Cameras only support Video Resolution up 1080p

If you’re looking for Facial Recognition or License Plate numbers, then you want the Higher Resolution provided by Network Video Recorders (NVRs) and IP Cameras!

ECS is a Video Surveillance Sales & Service company located in Seattle, WA & Portland, OR.

ECS provides local technicians for on-site work installing and servicing a variety of voice/data equipment, ie; Low Voltage Cabling, CAT5e/CAT6, Fiber Optic, IP Office Telephone Systems, Voicemail, Telephones, Firewalls, Ethernet Switches, Circuit Extensions, Wireless Networking, Video Surveillance, Point of Sale, Overhead Paging, Avaya Aura Servers, Gateways, etc. 

ECS provides services in Washington & Oregon, primarily in the greater Seattle & Portland areas.


Comments are closed.