2:1 Baluns/Ununs Mix 52 - RFI range 200-1000 MHz Store/Ferrite Core Products/All Ferrite Ring Toroid Cores/Mix 52 - RFI range 200-1000 MHzRefine by Sort byWe recommendNewest arrivalsPrice: Low to HighPrice: High to LowName: A to ZName: Z to AFiltersClear allFiltersClear allShow itemsShow itemsFT240-52, ID=1.4", 10 Pack, RFI Range 200-1000 MHz, FREE USA SHIPPING!FT240-52, ID=1.4", 10 Pack, RFI Range 200-1000 MHz, FREE USA SHIPPING!SKU F240-52-10$124.95 Buy NowFT240-52, ID=1.4", RFI Range 200-1000 MHzFT240-52, ID=1.4", RFI Range 200-1000 MHzSKU F240-52-1$13.95 Buy Now 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).