2:1 Baluns/Ununs DIY Ferrite Chokes Store/Antenna Products/Coax Feed Line Common Mode Chokes/DIY Ferrite ChokesRefine by Sort byWe recommendNewest arrivalsPrice: Low to HighPrice: High to LowName: A to ZName: Z to AFiltersClear allFiltersClear allShow itemsShow items50:50 ohm (1:1) Common Mode Choke HF Balun Kit - 1500 watt PEP, 1.8-31 MHz50:50 ohm (1:1) Common Mode Choke HF Balun Kit - 1500 watt PEP, 1.8-31 MHzSKU BA-1-1500$29.97 Buy NowEnd Fed Feed Line Choke for Non-Resonant and End Fed Half Wave AntennasEnd Fed Feed Line Choke for Non-Resonant and End Fed Half Wave AntennasSKU EFFLC-240$10.00 Buy NowOCF Antenna Feed Line Choke - RG8X - RFI Range: 1.8-61 MHzOCF Antenna Feed Line Choke - RG8X - RFI Range: 1.8-61 MHzSKU OCFFLC$27.95 Buy NowSimple Dipole Feed Line Choke - RG8X - RFI Range: 1-100 MHzSimple Dipole Feed Line Choke - RG8X - RFI Range: 1-100 MHzSKU SDFLC$10.00 Buy NowOn SaleSlip On Feed Line Common Mode Line Isolator - 1/2"/12.7mm coax cable, 1.8-300 MHzSlip On Feed Line Common Mode Line Isolator - 1/2"/12.7mm coax cable, 1.8-300 MHzSKU BA-8-5List price $49.95 Save 60%$19.95 Buy NowSnap On End Fed Feed Line Choke for Non-Resonant and End Fed Half Wave Antennas, RG8X, RG8, up to 38 dB common mode suppressionSnap On End Fed Feed Line Choke for Non-Resonant and End Fed Half Wave Antennas, RG8X, RG8, up to 38 dB common mode suppressionSKU SOFLC$19.50 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).