Ferrite Tutorials Ferrite Mix Selection Ferrite Cross Reference Ferrite Toroid Tech Specs Ferrite Chatter Noise RF Toroid Calculator by VK3CPU Elecraft Transceiver RFI Kits Store/RFI Solution Kits/Radio Communication RFI Solutions/HF/VHF Transceiver RFI/Noise Kits/Elecraft Transceiver RFI KitsRefine by Sort byWe recommendNewest arrivalsPrice: Low to HighPrice: High to LowName: A to ZName: Z to AFiltersClear allFiltersClear allShow itemsShow itemsElecraft K3/K3S Transceiver RFI Kit - 7 Noise Reduction FiltersElecraft K3/K3S Transceiver RFI Kit - 7 Noise Reduction FiltersSKU RFI-ELECRAFT-K3$49.95 Buy NowElecraft K4 Transceiver RFI and Noise Reduction Kit, RFI Range 1-60 MHz, 24 FiltersElecraft K4 Transceiver RFI and Noise Reduction Kit, RFI Range 1-60 MHz, 24 FiltersSKU RFI-ELECRAFT-K4$149.95 Buy NowElecraft KX3 Transceiver RFI Kit - 3 Noise Reduction FiltersElecraft KX3 Transceiver RFI Kit - 3 Noise Reduction FiltersSKU RFI-ELECRAFT-KX3$19.95 Buy Now Tutorials