Tks guys for your help... I will try and find out how to add multiple frequency... Regarding the CM3414 i bought that instead of a preamp thinking that it might boost the signal a bit as i do get NBC sometime... And i will be adding another tv shortly hence got that. I wanted to buy the pre amp cm7777 but i cannot get on the roof.. Question can i install it 20 ft away ?? inside my house and then take a line out to my tv.. will that work ?
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