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. +2FT240-43, ID=1.4", RFI Range 25-300 MHz, Bulk Pack of 10Store/Ferrite Core Products/Mix 43/Ring - Mix 43 RFI Range: 25-300 MHzSKU F240-43-10$79.9510 $9.00Quantity:1 Add More Add to CartGo to CheckoutSave this product for later Favorite Favorited View FavoritesCustomer reviews Reviews only from verified customersNo reviews yet. You can buy this product and be the first to leave a review.Share this product with your friendsShareSharePin itFT240-43, ID=1.4", RFI Range 25-300 MHz, Bulk Pack of 10Store/Ferrite Core Products/Mix 43/Ring - Mix 43 RFI Range: 25-300 MHzProduct DetailsMPN: F240-43RFI Range (MHz): 20-200 MhzID-B (in/mm): 1.4/35.6OD-A (in/mm): 2.4/61Height-C (in/mm): .5/12.7Weight (oz/gm): 106 gramsInitial permeability: 850A(L): 1240Very useful for RFI suppression, broadband impedance transformer, Bulk Pack of 10Show More