2:1 (100:50) Baluns are useful between 50 ohm coax and 100 ohm balanced lines for loops, cubical quads, log periodics and other antennas where the impedance at the end of the feedline is 100 ohms (1/2 wavelength feedline).
RFI/EMI Solutions from KHz to GHz
DELUXE Desktop Computer RFI Kit - for 3 AC Powered devices and interconnect wires
Deluxe Desktop Computer RFI Kit for- 1 Ring Filter for computer AC power + 6 Snap On filters for interconnect cables plus 2 additional AC power Ring filter and 2 snap on filters for interconnect cables of peripherals such as printers, AC powered speakers, etc. The filters are 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.
Deluxe filter set for eliminating noise and RFI due to routers, wall wart power supplies, CB, AM broadcast and ham radio interference, etc.
Installation is easy. AC power cord through ring filter multiple times and snap on filters on I/O cables nearest computer - problem cured!