Off Center Fed (OCF) Antennas +2FSB31-3/4, ID=3/4", RFI Range 1-300 MHz, Case of 110, FREE USA SHIPPINGStore/Ferrite Core Products/Mix 31/Snap On - Mix 31 - RFI Range 1-300 MHzSKU FSB31-3/4-110$625.00Quantity: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 itFSB31-3/4, ID=3/4", RFI Range 1-300 MHz, Case of 110, FREE USA SHIPPINGStore/Ferrite Core Products/Mix 31/Snap On - Mix 31 - RFI Range 1-300 MHzProduct DetailsInitial Permeability (@ 10KHz): 1500Material: MnZnMax cable size - in/mm: .728/18.5OD (A) - in/mm: 1.15/29.2ID (B) - in/mm: .74/18.8Length (C) - in/mm: 1.65/41.9Z (ohms per bead - single turn 1 MHz): 16Z (ohms per bead - single turn 5 MHz): 48Z (ohms per bead - single turn 10 MHz): 89Z (ohms per bead - single turn 25 MHz): 125Z (ohms per bead - single turn 100 MHz): 220Z ohms (per bead - single turn 250 MHz): 310Ferrite Snap On, ID = .74 in/18.8 mm, Mix 31, Case of 110 pieces Excellent for audio, video, Ethernet, coaxial cable, AC/DC power and multi-core cableShow 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,