2:1 Baluns/Ununs RFI Kits Store/Ham Radio Outlet Products/RFI KitsRefine by Sort byWe recommendNewest arrivalsPrice: Low to HighPrice: High to LowName: A to ZName: Z to AFiltersClear allFiltersClear allShow itemsShow itemsAlinco DX-77 Transceiver RFI Kit - 4 Noise Reduction FiltersAlinco DX-77 Transceiver RFI Kit - 4 Noise Reduction FiltersSKU RFI-ALINCO-DX77$34.95 Buy NowElecraft KPA500 HF Linear Amplifier RFI Kit - 5 Filters for RF In/Out, AC Power, PA KEY, Computer Control/AUX/RS232Elecraft KPA500 HF Linear Amplifier RFI Kit - 5 Filters for RF In/Out, AC Power, PA KEY, Computer Control/AUX/RS232SKU RFI-ELECRAFT-KPA500$49.95 Buy NowElecraft KXPA100 HF Linear Amplifier RFI Kit - 4 Filters for RF In/Out, DC Power, Relay/PTT/Computer ControlElecraft KXPA100 HF Linear Amplifier RFI Kit - 4 Filters for RF In/Out, DC Power, Relay/PTT/Computer ControlSKU RFI-ELECRAFT-KXPA100$24.95 Buy NowHF Base Deluxe Transceiver RFI and Noise Reduction Kit - 14 FiltersHF Base Deluxe Transceiver RFI and Noise Reduction Kit - 14 FiltersSKU RFI-XCVR-DELUXE$89.95 Buy NowHF Linear Amplifier RFI Kit - Generic (all brands) AC Powered - 4 Filters for RF In/Out, AC power, Relay/PTTHF Linear Amplifier RFI Kit - Generic (all brands) AC Powered - 4 Filters for RF In/Out, AC power, Relay/PTTSKU RFI-LA-GAC$54.95 Buy NowBEST SELLER!HF Transceiver RFI/Noise Reduction Kit - 5 Noise Reduction Filters + Coax Noise FilterHF Transceiver RFI/Noise Reduction Kit - 5 Noise Reduction Filters + Coax Noise FilterSKU RFI-XCVR-STD+NF$99.95 Buy NowHF Transceiver RFI/Noise Reduction Kit, RFI Range 1-300 MHz, 5 FiltersHF Transceiver RFI/Noise Reduction Kit, RFI Range 1-300 MHz, 5 FiltersSKU RFI-XCVR-STD$39.95 Buy NowIcom 718 Transceiver RFI Kit - 5 Noise Reduction FiltersIcom 718 Transceiver RFI Kit - 5 Noise Reduction FiltersSKU RFI-ICOM-718$39.95 Buy NowBEST SELLER!Icom IC-7300 Transceiver Deluxe RFI Kit - 5 Noise Reduction Filters + Coax Noise FilterIcom IC-7300 Transceiver Deluxe RFI Kit - 5 Noise Reduction Filters + Coax Noise FilterSKU RFI-ICOM-7300DLX$99.95 Buy NowBEST SELLER!Icom IC-7300 Transceiver RFI Kit - 5 Noise Reduction FiltersIcom IC-7300 Transceiver RFI Kit - 5 Noise Reduction FiltersSKU RFI-ICOM-7300$39.95 Buy NowIcom IC-9700 Transceiver RFI Kit - 12 Noise Reduction FiltersIcom IC-9700 Transceiver RFI Kit - 12 Noise Reduction FiltersSKU RFI-ICOM-9700$79.95 Buy NowKenwood TS520/ 530/820/830, Transceiver RFI Kit - 5 Noise Reduction FiltersKenwood TS520/ 530/820/830, Transceiver RFI Kit - 5 Noise Reduction FiltersSKU RFI-KENWOOD-830$39.95 Buy NowKenwood TS570, 590, 2000 Transceiver RFI Kit - 14 Noise Reduction FiltersKenwood TS570, 590, 2000 Transceiver RFI Kit - 14 Noise Reduction FiltersSKU RFI-Kenwood-590$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).
