These baluns and ununs can be used for impedance matching and also as End Fed halfwave antenna matching transformers to 50 or 75 ohm coax cable.
Ethernet Hub/Switch RFI Kit - DC + Cable Filters (4/8 port option)
Product Details
MPN: RFI-HUB
Type: New
Country/Region of Manufacture: United States
Filter Power Rating (PEP watts): n/a
RFI Suppression Range (MHz): 1-300 MHz
# Ferrite Filters: 8
Enclosure Size (inches): n/a
Typical Use:: 1-2 turns on I/O lines
These RFI kits are specifically selected to cure most household computer device RFI problems. It contains ferrite toroids for AC or DC power supply protection and Snap On ferrite split beads selected to eliminate RFI from 1 to 300 Mhz. The beads are easy to use, don’t require modification of the protected equipment and work in almost all cases, even when plug-in filters fail.
Includes DC supply ring filter, four split beads for Ethernet I/O line filters - useful for HUB/Switch configurations