I had high signal strength to keep my tivos working properly. They must have a signal-to-noise ratio of around 33-36 dB or they will fail. Since this was the case, the signal was so strong that the cable company couldn't contact the cable cards, and none of the service reps they dispatched seemed to know what the problem was. I reset the signal on all channels from 40+ to about 33 because of the 10dB drop from this splitter and everything worked again.
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