25:1 to 81:1 Baluns/Ununs These baluns and ununs can be used for impedance matching and also as End Fed halfwave antenna matching transformers to 50 or 75 ohm coax cable. ALINCO Transceiver RFI Kits Store/RFI Solution Kits/Radio Communication RFI Solutions/HF/VHF Transceiver RFI/Noise Kits/ALINCO Transceiver 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 Deluxe Transceiver RFI Kit - 3 RFI/Noise Reduction Filters + Coax Noise FilterALINCO DX-77 Deluxe Transceiver RFI Kit - 3 RFI/Noise Reduction Filters + Coax Noise FilterSKU RFI-ALINCO-DX77DLX$89.95 Buy NowAlinco DX-77 Transceiver RFI Kit - 4 Noise Reduction FiltersAlinco DX-77 Transceiver RFI Kit - 4 Noise Reduction FiltersSKU RFI-ALINCO-DX77$34.95 Buy Now