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Posted by $Bill on May 26, 2005, 6:20 pm
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Mark wrote:
> I know this has been hashed and re-hashed and I've read too much, now
> I'm confused.
>
> My setup is in a camper which has a living room, front bedroom and back
> bedroom. Believe it or not, there are three tv's in the camper. Cable
> recpetion is excellent on all TVs with the cable modem unplugged. I
> have a splitter, brand new, but a cheapy with no specs on it, that
> splits off of one of the tv connectors to the cable modem. The rest of
> the wiring is inaccesable other than a cable jack in each room.
>
> Cable modem works great for internet access when plugged in to cable
> but my tv recption gets wrecked. I get noise on channels 2-7 and
> channels 52-60 are virtually wiped out by snow and are unwatchable.
>
> I'm thinking that I should split the wire where the cable comes into
> the camper running one wire to the cable in jack that feeds the the tvs
> with a 50mhz highpass filter and then another cable going to the cable
> modem all by itself. Does this sound like a reasonable approach or are
> there other things to consider ?
I would start with a ground block for the incoming cable and Quad-Shielded
RG6 cable thoughout.
Then a good 4-1 splitter (digital 4-way splitter (5-1000Mhz) with the
first tap going to the cable modem and the other three off to the TVs
(or a 1-2 with cable modem on first and then split the second again
for the TVs - that would give you less of a dB drop on the cable modem
side, but more on the TV side). If you still have problems once you
are hooked up right, then you could look at filters and such.
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