The GigaTech Products GT-STSTDM2O-xM fiber optic patch cords are ideal for short distance patching applications. These fiber optic cables have been built to exceed industry standards and are tested for insertion loss and reflectance on all connectors. They are constructed using corning glass within UL certified OFNR (Riser) rated jacket with Kevlar yarn, and are factory terminated resulting in uncompromised performance.