Specifications:
Product name: Duplex LC to LC F/F Coupler Keystone Jack
Connector A: LC Female
Connector B: LC Female
Polishing: UPC
Fiber Core: Singlemode & Multimode
Operating temperature: -20C to +70C
Material: Metal & Plastic

Features:
1. Complies with IEC 61754-4, IEC 60784-14 and TIA 604-3; RoHS compliant.
2. Used to connect two duplex fiber optic patch cords together for use in patch panels and wall plates, surface mount boxes.
3. Couplers make installation and maintenance of fiber optic cables more efficient. This is a long-term, cost-effective solution for securely transferring data that requires high transfer rates.
4. Plug and play.

Package Included:
8 x Duplex LC to LC F/F Coupler Keystone Jack
8 x Blank Keystone Jack Inserts
1 x Screwdriver
LC Fiber Optic Adapter: Joined two LC duplex fiber patch cables together. Securely connect your 62.5/125 multimode, 50/125 multimode or 9/125 singlemode fiber optic patch cables.
High quality: Panel-mountable for convenient access to all your connections and designed for long term reliability. This product is precision engineered, manufactured with high quality materials and built to last longer than the cables it connects.
Multifunctional Compatibility: The adapters are compatible with various types of fiber optics (singlemode multimode /1.25G/10GB OS1/OS2/OM1/OM3 LC ports common); These LC-LC fiber optic adapters comply with IEC 61754-4 , IEC 60784-14 and TIA 604-3 and RoHS compliant.
Low loss & high signal integrity: The mating sleeve is made of ceramic, which provides low loss and high signal integrity. Besides connectors, you can also identify them by their blue color.
Application: The adapters can be widely used in fast ethernet, fiber channel, gigabit ethernet speed, lan, data center, premise installation, wan, commercial, etc.; support audio, video, sfp data services and connect to SFP transceiver ethernet switch and media converter.