2:1 Baluns/Ununs Jumper Chokes Store/Antenna Products/Coax Feed Line Common Mode Chokes/Jumper ChokesRefine by Sort byWe recommendNewest arrivalsPrice: Low to HighPrice: High to LowName: A to ZName: Z to AFiltersClear allFiltersClear allShow itemsShow itemsNEWCoax Jumper Choke - LMR-400 - RFI Range: 3-65 MHz, -25 dB Common Mode Noise Reduction, 5 KW PEPCoax Jumper Choke - LMR-400 - RFI Range: 3-65 MHz, -25 dB Common Mode Noise Reduction, 5 KW PEPSKU JC-1-5000$59.95 Buy NowCoax Jumper Choke - RG-8X - RFI Range: 1.8-65 MHz, -30 dB Noise Reduction, 1.5KW PEP, 3 FT "Tail"Coax Jumper Choke - RG-8X - RFI Range: 1.8-65 MHz, -30 dB Noise Reduction, 1.5KW PEP, 3 FT "Tail"SKU JC-1-1500-6$34.95 Buy NowCoax Jumper Choke - RG-8X - RFI Range: 1.8-65 MHz, -30 dB Noise Reduction, 1.5KW PEP, Magnetic Loop, Antenna ChokeCoax Jumper Choke - RG-8X - RFI Range: 1.8-65 MHz, -30 dB Noise Reduction, 1.5KW PEP, Magnetic Loop, Antenna ChokeSKU JC-1-1500-3$29.95 Buy NowCoax Jumper Choke - RG-8X - RFI Range: 14-30 MHz, -40 dB Noise Reduction, Optimized for Yagi, Log Periodic, CB AntennasCoax Jumper Choke - RG-8X - RFI Range: 14-30 MHz, -40 dB Noise Reduction, Optimized for Yagi, Log Periodic, CB AntennasSKU JC-1-1500CB$29.95 Buy NowNEWSuper Choke - RFI Range: 1.8-54 MHz, -26 dB Common Mode Noise Reduction, 5 KW PEP, RG213/LMR400 - 3 inch ID RingSuper Choke - RFI Range: 1.8-54 MHz, -26 dB Common Mode Noise Reduction, 5 KW PEP, RG213/LMR400 - 3 inch ID RingSKU SC-1-5000$79.95 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).