With a Legacy UHF remote upgrade cone kit from Dish Network what can one do? Customer has a 301 receiver and this UHF upgrade kit with the Legacy UHF remote. Can she change channels at an extended range beyond 100 feet by putting a diplexor with a UHF antenna on it on one end of the coax wire where the 301 is at and another diplexor with another UHF antenna on it where the channels are wanted to changed at? How far of a range would this work doing it this way if it will work?