Help System - 4 Cam NVR Or PC based - Inject Vid In CATV

[knezz 0]

Greetings,

 

I'm in need of some help please.

 

I'm looking for a system for my home starting off with 4 cameras. I'm ok with an NVR or PC based as I have a PC laying around. I would like the following:

 

4 domes (3 outside and 1 inside). I was thinking of the Speco OiD4. I need one camera to clearly recognizes faces from 40 feet day or night. East Coast climate.

 

I want to used a digital filter to block out channels to allow the camera video to be injected into my cable plant. On the views of the NVRs I looked at only show 1 HDMI output. How could each video be injected into my CATV plant on different frequencies?

 

Want to be able to view cameras via my mobile device.

 

On a side note: is there anyway to also interconnect Comcast's xFinity Home Security into a system?

 

Any suggestion would be appreciated.

 

Thanks in advance for the help.