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 reviewsNo reviews yet. Only signed-in customers who bought this product can leave reviews. To leave a review, sign inShare 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