Off Center Fed (OCF) Antennas +2FSB31-1/4, ID=1/4"/6.3mm, RFI Range 1-300 MHz, Bulk Pack of 12Store/Ferrite Core Products/Mix 31/Snap On - Mix 31 - RFI Range 1-300 MHzSKU FSB31-1/4-12$29.75Units in product: 12Price per unit: $2.48Quantity: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 itFSB31-1/4, ID=1/4"/6.3mm, RFI Range 1-300 MHz, Bulk Pack of 12Store/Ferrite Core Products/Mix 31/Snap On - Mix 31 - RFI Range 1-300 MHzProduct DetailsInitial Permeability (@ 10KHz): 1500Material: MnZnMax cable size - in/mm: .25/6.3OD (A) - in/mm: .788/20ID (B) - in/mm: .26/6.6Length (C) - in/mm: 1.55/3.94Z (ohms per bead - single turn 1 MHz): 28Z (ohms per bead - single turn 5 MHz): 83Z (ohms per bead - single turn 10 MHz): 105Z (ohms per bead - single turn 25 MHz): 180Z (ohms per bead - single turn 100 MHz): 310Z ohms (per bead - single turn 250 MHz): 240Ferrite Snap On, ID = .26 in/6.6mm, Mix 31, 12 pieces. Use for AC/DC, audio/Video/data and RF (coax) cables.Show 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,