ADD-ATTN-STPC-3DB is a Fiber Optic Attenuator, used in fiber optic links to reduce or attenuate optical power. ADD-ATTN-STPC-3DB comes as a male to female ST connection, and is a fixed value attenuator that will reduce optical power by 3dB. It is used in single mode (SMF) connections and applications. ADD-ATTN-STPC-3DB comes as a 2 pack. _x000D__x000D_AddOn Attenuators are 100% RoHS compliant. Now you have a cost effective solution for all your network upgrade needs.