2:1 Baluns/Ununs Slip On - Mix 61 - RFI Range 20-2000 MHz Store/Ferrite Core Products/Mix 61/Slip On - Mix 61 - RFI Range 20-2000 MHzRefine by Sort byWe recommendNewest arrivalsPrice: Low to HighPrice: High to LowName: A to ZName: Z to AFiltersClear allFiltersClear allShow itemsShow itemsFB102-61 - 1/2" ID, RFI Range 200-2000 MHzFB102-61 - 1/2" ID, RFI Range 200-2000 MHzSKU FB102-61-1$5.95 Buy NowFB56-61 - 1/4" ID, RFI Range 200-1000 MHzFB56-61 - 1/4" ID, RFI Range 200-1000 MHzSKU FB56-61-1$2.50 Buy NowFerrite Sampler Pack, Mix 61, RFI Range 200-2000 MHz - 10 filters - 1.4" ID Ring, Snap on 1/4, 1/2, 3/4 Slip On 1/2Ferrite Sampler Pack, Mix 61, RFI Range 200-2000 MHz - 10 filters - 1.4" ID Ring, Snap on 1/4, 1/2, 3/4 Slip On 1/2SKU FSP-61-10$89.95 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).