Off Center Fed (OCF) Antennas +2F23-61 Ferrite Ring - .12" ID, .229" OD - RFI Range - 200-2000 MHzStore/Ferrite Core Products/All Ferrite Ring Toroid Cores/FT Mix 61 - RFI Range: 200-2000 MHzSKU F23-61$0.39Bulk pricing available for quantities of 10 units or moreQuantity:1 Add More Add to CartGo to CheckoutBuy more, save moreQuantityPrice per itemDiscount10 items$0.3413% off100 items$0.2926% off1000 items$0.2438% offSave 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 itF23-61 Ferrite Ring - .12" ID, .229" OD - RFI Range - 200-2000 MHzStore/Ferrite Core Products/All Ferrite Ring Toroid Cores/FT Mix 61 - RFI Range: 200-2000 MHzProduct DetailsMPN: F23-61Initial Permeability (@ 10KHz): 125Material: MnZnOD (A) - in/mm: .229/5.95ID (B) - in/mm: .12/3.05Length (C) - in/mm: .06/1.65Ferrite Ring, ID = .12 in/3.05mm, Mix 61Show 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,