What frequencies can I allocate for CCTV use with digital Comcast?

[RickH <passport@xxxxxxxxxxxxxxxxxxxxx>]

On Sep 4, 4:27 pm, RickH <passp...@xxxxxxxxxxxxxxxxxxxxx> wrote:
> I currently have Comcast basic analog service coming into my home.  I
> send this to my distribution amplifier via a low pass in-line
> transformer that basically only allows the channels below channel 103
> or so to pass through.  This is so I can "clean up" the bandwidth
> above channel 103 to modulate my CCTV security cameras onto and view
> security cameras just by going to those modulated channels, just like
> switching TV channels.  I only use the tuners in the TV's because we
> dont have premium channels.
>
> Now I am thinking of switching to Comcast digital service and getting
> some premium channels.  I realize that I will need converter boxes for
> whatever sets I want premium channels.  But I'd still like to be able
> to keep an analog signal alive throughout the house with my filter
> xformer and CCTV camera modulators.  For the TV's where I just want to
> use the built in tuner.
>
> Will I have any issues with modulating my 4 CCTV cameras to their
> current channels 124, 121, 118, and 115?  Or must I rethink how I can
> use my modulated CCTV cameras in a digital Comcastic world?  I do have
> 2 runs of RG6 to every room only one of which is currently being used.

The title of my post was misleading, so I changed it to reflect what
channels can I allocate for my own use if I have Comcast digital.