CHANNEL PLUS NF-471 Notch Filter (Blocks CATV 75-80 & UHF 24-29; Creates CATV 76-79 & UHF 25-28; Freq: 529.25 MHz-559.25 MHz)

I have a CHANNEL PLUS NF-471 Notch Filter even though channels 74-78 on my Cablevision system carry no programming. Prior to its installation I could not get a good picture on channel 76 from my monitor camera, now it is excellent.

I have a Channel Plus 2 channel flexible injector and even though channels 74-78 on my Time Warner cable system carried no programming, using any of these resulted in a very poor quality picture. After trying additional amplification of the injected...

I have a CHANNEL PLUS NF-471 Notch Filter even though channels 74-78 on my Cablevision system carry no programming. Prior to its installation I could not get a good picture on channel 76 from my monitor camera, now it is excellent.

I have a Channel Plus 2 channel flexible injector and even though channels 74-78 on my Time Warner cable system carried no programming, using any of these resulted in a very poor quality picture. After trying additional amplification of the injected...