Bandwidth Help For 80 IP Camera System

Dear Sir,

I have a one of project for 80 IP camera system. I am use to do with analogue system. So some of question confuse me.

1. If I select 1.3 MP Camera, Compression mode H264-30 at Average Quality(this counting I get form JVSG Software). Then Camera will use bandwidth 0.98 Mbit/s (MB).

So, as this counting we need 78.4 MB Bandwidth with 80 cameras. Is this correct?

2. If the users, use to watch Camera on other mobile or iPhone at a time only maximum 4 cameras, still System will need or use 78.4 MB bandwidth?

3. If we use NVR recording at local base, in this case still system will need same bandwidth?

4. What is drawback, if we run this system with only 5MB bandwidth?

Can you please explain this my confusion?

Devendra

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