Coax Common Mode Noise Filter - 500 Watts PEP, 1-60 MHz, -38dB Common Mode Noise Suppression!
Product Details
MPN: CMNF-500-50
Country/Region of Manufacture: United States
Filter Power Rating (PEP watts): 500 SSB (25% duty cycle), 250 Watts CW/FT8 (50% duty cycle)
Choking Impedance (ohms): 1K-14K
Common Mode Attenuation (db): 21-38 db
RFI Suppression Range (MHz): .1-60
Insertion Loss (db): .025
Enclosure Size (inches): 3" x 2 x 1"
Typical Use:: Coax Noise filter at radio end of coax
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RG-8X Coax Jumper Cable with PL-259's on each end - 3 feet
RG-8X Coax Jumper Cable with PL-259's on each end - 3 feet
SKU RG-8X-3
List price $19.95
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Also make sure you connect a good RF ground to the transceiver ground post.
Note to Flex Radio users: Use snap on ferrites for firewire cable, speaker cable and mic cable, Ring ferrites for Antenna output and DC power.
For additional RFI suppression, use a feed line choke at the antenna to suppress common current on the coax feed line – see our store for feed line choke alternatives for use at the antenna.
If you use a linear amplifier we have RFI kits for linear amplifiers that help suppress RFI in your shack or in your neighbor’s house.