Is there a digital tv adapter that installs outside were the cable goes into the Tags: TV Digital TV Cable Devices Last response: August 23, 2012 3:15 PM in Other Consumer Electronics Share dean_16 August 23, 2012 2:22:15 PM With the recent changes Comcast has made to digital Signal. Each TV requires an adapter. Does anyone make a device that installs outside the home were the cable enters the house to convert the signal so you do not need a device for every TV More about : digital adapter installs cable jcoultas98 a b x TV August 23, 2012 3:15:21 PM They don't. The reason they made the change, is to require a box at the set. They have also removed quite a few QAM channels here in the Denver area. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedCable tv digital adapter REQUIRED??? Forum More resources !