Connecting Several Wireless IP cameras Through WIFI

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Boldtrust

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Aug 17, 2016
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Hello people. I have a problem that needs an urgent attention. I have been working on how to connect several wireless cameras through wifi and preview them on the same Computer.

The cameras are up to 48 in number and they are going to be very far apart so I'm planing to use Wifi repeaters to extend signals from the wifi router to the cameras.

The site is somehow complex to run cables because the cables would have to pass through at least four buildings to get to the DVR/NVR. So I don't want that option and my client doesn't like it either. I would like to know if connecting them to a wifi router (wireless connection) and then connecting a computer to the network through which I want to preview the videos would work. I would also like to know if there is a recommended special software I can install on the computer. Or is it possible for me to get a wireless 48 NVR? Please I really need this urgently.
 
Solution
A
On a LAN (**local** area network), you techically don't need a router, all you need is good 100/1000 Ethernet switch.

Whether 8TB storage is enough - it depends how long you desire to retain the footage. If you record nothing, it will last forever ;)

Do yourself a favor - connect one of these cams to your computer, install your software, then record one hour of dynamic video - that is, have something move in front of the camera. See how much disk space that footage has take. Multiply by 48, then by 24 - this will be rough estimate of how much storage all of your cams take in one day.

However - it might turn out data rate (how much data you will need to write per second) will make you choose much beefer computer and storage solution.
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A

Alabalcho

Titan
Jan 13, 2011
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Your design has many flaws...
- you don't place 48 WiFi cameras on single WiFi access points - it will be brought down to it's knees
- You don't expect standard WiFi to work "over several buildings"
- I don't think you will find NVR with 48 channels

So, wjat I would do:
- group NVRs closer to the cameras, with wired (or "close" WiFi) connection between them. If you have ten cameras in single building, and you cannot afford to connect them with Ethernet, put a WiFi access point in that building, and an NVR to serve them

- prive **somehow** remote access to these NVRs from the monitoring station. This **somethow** depends on how many remote NVRs are there, what connection you can make to them, etc.

Last but not least - hire a professional.
 
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B

Boldtrust

Commendable
Aug 17, 2016
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1,510


Thank you. But what if I use a wired IP connection with network cables? That is, by creating a LAN for the cameras. In this case I plan to connect about 4 to 8 cameras to a hub/switch in same building, then extend a cable to another building with a similar connection/setup and so on. I'm planning to provide a server with a good Software for the cameras video preview, recording and others. can that be achievable?
 
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Alabalcho

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Jan 13, 2011
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Wired connection would be the best, you did not state that as an option in your original post.
You might want to provide building-to-center connection with Gigabit connection, though. Make a simple calculation how much bandwidth these cameras need (it will help you size your NVR as well).
 
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Boldtrust

Commendable
Aug 17, 2016
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1,510
Thank you. But my type of connection described above is not using an NVR. The cameras will all be connected in a LAN. On the same LAN, I will have a 300MBps Router and then a good computer on which I plan to install Blue Iris and then where previewing, configuration of cameras as well as recording will be done. Can this work? The computer I'm planning to us has up to 8TB storage.
 
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A

Alabalcho

Titan
Jan 13, 2011
14,019
435
76,290
On a LAN (**local** area network), you techically don't need a router, all you need is good 100/1000 Ethernet switch.

Whether 8TB storage is enough - it depends how long you desire to retain the footage. If you record nothing, it will last forever ;)

Do yourself a favor - connect one of these cams to your computer, install your software, then record one hour of dynamic video - that is, have something move in front of the camera. See how much disk space that footage has take. Multiply by 48, then by 24 - this will be rough estimate of how much storage all of your cams take in one day.

However - it might turn out data rate (how much data you will need to write per second) will make you choose much beefer computer and storage solution.
 
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Solution
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Boldtrust

Commendable
Aug 17, 2016
4
0
1,510
Thank you again, alabalcho. I'm actually setting up a Vlan for the Surveillance System using CAT6 cable. The challenge right now is the required maximum required length for the CAT6 might be violated in the process. I Just discovered I might need up to 70 cameras. Do you have any advice on setting this up without overloading the network? Do you have any Video Management System you would recommend?
 
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Alabalcho

Titan
Jan 13, 2011
14,019
435
76,290
I am not NVR/DVR expert, so I cannot recommend any existing system. But my guts tell me you will run into lot of problems with 70 cameras.
- Install single camera, record one hour of video, see how much disk space it takes
- Calculate the required disk bandwidth for one camera. Add like 20% overhead, this will be your network bandwidth.
- Fit all this withing your proposed network and storage layouts. You might need much bigger server, and switches, to accommodate this traffic.
 
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