How can I connect my surveillance camera to my cable which feeds the televisions in the house? I have tried to connect it into the cable line using a modulator. This modulator tunes to channels that are not broadcasting cable channels. But the result is a poor picture unless the cable TV line is disconnected. It appears that the signal from the cable TV is still blocking everything else on the line. Do I need some kind of special splitter, filter, etc. TIA for any help you can give.
CCTV on my TV
Nov 05, 2007
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You'll need filter and a splitter. The cable must pass through a filter that cuts out the frequency of modulated camera signal. Then the two can be mixed together with a standard 2-way splitter. The filters are normally either low-pass, which passes everything lower than the…
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