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CABLE TV/Satellite RFI Coax Noise Filter, Suppresses 1-60 MHz common mode interference | Home Theater RFI Kit - Palomar Engineers®
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Channel Plus NF-471 Notch Filter Removes CATV 75-80 and UHF channels 24-29
Arcom Labs MN-A-1(-Ch.99) Filter CATV TV Video Signal Band Cable F Trap Notch | eBay
CATV SAW Filter Modulator/Cable TV RF Modulator with 47 to 750MHz Output Frequency, - Buy China CATV Modulator on Globalsources.com
CATV Filter 87-1000MHz High Pass Filter - China Band Pass Filter, High Pass Filter | Made-in-China.com