Off Center Fed (OCF) Antennas +2FSB31-3/8, ID=3/8", RFI Range 1-300 MHz, Bulk Pack of 50Store/Ferrite Core Products/Mix 31/Snap On - Mix 31 - RFI Range 1-300 MHzSKU FSB31-3/8-50$149.95On SaleList price $187.50 Save 20%48 $2.70Quantity: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 itFSB31-3/8, ID=3/8", RFI Range 1-300 MHz, Bulk Pack of 50Store/Ferrite Core Products/Mix 31/Snap On - Mix 31 - RFI Range 1-300 MHzProduct DetailsMPN: FSB31-3/8-48Initial Permeability (@ 10KHz): 1500Material: MnZnMax cable size - in/mm: .388/9.85OD (A) - in/mm: .933/23ID (B) - in/mm: .4/10.15Length (C) - in/mm: 1.55/39.4Z (ohms per bead - single turn 1 MHz): 18Z (ohms per bead - single turn 5 MHz): 50Z (ohms per bead - single turn 10 MHz): 81Z (ohms per bead - single turn 25 MHz): 144Z (ohms per bead - single turn 100 MHz): 240Z ohms (per bead - single turn 250 MHz): 270Ferrite Snap On, ID = .40 in/10.15mm, Mix 31 - 50 piecesShow MoreOCF antennas are very convenient as they will allow multiple bands of operation with a simple wire antenna which is fed off center with a 4:1 OCF Current balun with built in feed line choke,