Fiber optical coupler use it for distribution boxes, patch panels, wall mounts or other applications. With the fiber optical coupler you can easily link two fiber optic patch cords. · Connections: LC-Duplex jack to LC-Duplex jack · for polishing type: Angled Physical Connect (APC) · Alignment Sleeve Material: ceramic · for fiber mode: Singlemode · for category: OS1 / OS2 · Mounting type: with flange, with metal clip, with shutter · Connector style: Duplex · Working temperature: -40 to +85 °C · Storage temperature: -40 to +70 °C · Color: green · Housing material: PC with dust covers