Linear NF-471 Linear/ChannelPlus Notch Filter Allows user to create new channels Allows insertion of CATV channels 76 to 79 & UFH 25 to 28 Rejects CATV channels 75 to 80 & UHF 24 to 29 Notch filter frequency 529.25 MHz to 559.25 MHz Inserts Locally Generated Modulated Channels By Blocking Certain Channels Allows User To Create New Channels Blocks Catv 7580 & Uhf 2429 Creates Catv 7679 & Uhf 2528 Freq: 529.25 Mhz559.25 Mhz