OP Fibre (OPF) Fiber Optic Attenuators are used in the fiber optic links to reduce the optical power at a certain level. We supply various kinds of fiber attenuators, including LC, SC, and ST, FC, MU, E2000 and Variable fiber optic attenuator. Commonly used fiber optic attenuators are the female to male type, which is also called a plug fiber attenuator. We use high quality precision tested Ferrule. OP Fibre Attenuators are available in Inline type or Plug in type. OPF Fiber Optic attenuators range from 1db to 20db .