Laird Performance Materials EMI Ferrite Cable Core Kits are designed to provide solutions against noise or electromagnetic interference (EMI) issues. The kits include 3 series of clamp-on 28A, 28B, and LFB ferrite cores. Split (snap-on), round, and low-frequency EMI ferrite core kits are available. These Laird Performance Materials EMI Ferrite Cable Core Kits are ideal for professional OEM engineering designs, prototyping, university lab research, and hobbyist.