Only need new drop cable to the house if,
Signal loss is too high between the tap in the cabinet or pit and requires an RG11 cable upgrade
The existing cable is damaged or has deteriorated.
Or, if you currently already have 4 cable devices and the new addition will be a fifth and you don't want the coax cable on another device split to feed the new device. For example, have a superhub, 2 v+ boxes and a vhd box already... Which makes 4 devices.
Then the TiVo box will be number 5
Reason for 4 devices per drop cable is the biggest splitter and hdu's are only 4 way and if any bigger splitters were used the signal loss would be too high and hdu's bigger than 4 way are unavailable.. Although in theory u can split each of the 4 ways on a hdu
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