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HD IP Digital Video Surveillance Systems

We provide everything you need to create a complete surveillance and security system.

DVR, NVR, Standalone Systems

Complete surveillance systems for any application or budget.

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Simple Drag & Drop Interface

High resolution, thermal, wireless, and color night vision options available.

iOS & Android

View and play back your cameras from anywhere on your phone, tablet, or laptop..

Plans and Pricing

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Frequently Asked Questions

What is a Digital Video Recorder (DVR)?

The DVR is a device that records video from analog cameras to one or more hard drives. The term DVR is also used by the consumer TV market. The DVR used in the security market has a fixed number of BNC connections to attach cameras. DVRs are available with 4, 8 16, 32 and 64 channels (or connections). This means that you have a maximum number of cameras that can be supported by one unit. Once you exceed the number of connections available on the DVR, you will need to add another DVR to your system. Some DVRs connect to the network and can be viewed using a Windows computer.

What is the difference between a DVR and a NVR?

Here are a few of the many differences between these devices.

– The NVR connects to the computer network and so does all the IP cameras. This allows you to take advantage of the existing network infrastructure instead of running wires from a “home base” location to all the cameras.

– The DVR uses coax connections to each of the analog cameras

– The NVR supports high resolution megapixel cameras

– The DVR supports only cameras with VGA resolution

There are many more differences between systems that use analog cameras and those that use IP cameras.

How much bandwidth is required on my network to support IP Cameras?

Calculating bandwidth used by IP cameras is complicated, but it can be estimated. Bandwidth used is determined by the number of cameras, camera resolution, frame rate, compression used, amount of motion seen by each camera, and sometimes even the lighting. For example one frame of video uses about 30K Bytes when using MJPEG compression. If we require 10 frames per second, it takes up 10 frames/sec. X 30K Bytes = 300 K Bytes/sec. which equals 2400 K bits/sec. (using 8 bits per Byte). This can be reduced over 20 times when using the latest H.264 compression, so you use only 120 K bits/sec.

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If we didn’t answer all of your questions, feel free to drop us a line anytime.