Connect two LC fiber cables or establish fiber connectivity on a keystone patch panel Connect two LC Duplex fiber cables featuring UPC polished ends to extend a network connection, using this LC to LC Keystone Coupler. The female to female fiber coupler maintains optimal signal integrity while achieving low insertion loss that exceeds industry standards. Compatible with Single Mode and Multimode Fiber Cables The LC Fiber Coupler supports Single Mode and Multimode LC/LC fiber cables. It is compatible with OS1/OS2 (9/125µm) and OM1/OM2/OM3/OM4/OM5 (62.5/125µm and 50/125µm) fiber core/cladding. The coupler fits securely into the keystone jack which can be installed in a keystone patch panel or wall plate without requiring additional tools. Durable Construction The LC/LC Keystone Coupler features a durable ABS housing and ceramic-lined inner sleeves for precise fiber alignment, minimizing signal loss for long-lasting reliability and performance. The StarTech.com Advantage