First, as you will see that for the time of the different solutions, the over-the-air converter gained with a authorities coupon won't paintings on cable. next, you would be able to ought to understand that procuring new TVs with digital cable tuners (QAM) won't help you with the aid of fact Comcast is migrating their cable-basically channels off of the two analog and QAM. and not utilising a converter field, you would be left along with your community broadcast stations and little else. Now, as to the loose digital-to-analog converters available from Comcast, they *say* that any one who subscribes to more suitable common can arise to 2 of them at no fee. See the reference under. click "digital transport Adapter" interior the better staggering nook. additionally the FAQ link.