Poyiccot FC-LC Conversion Connector for Fiber Optic Cables, Single-mode 9/125um Fiber Optic Connector, FC Male to LC Female Relay Conversion Adapter for Fiber Optic Cables, (3 Pieces) 【FC to LC Conversion Connector】Single-mode 9/125um FC/UPC male to LC/UPC female conversion adapter. The package includes 3 FC-LC conversion connector adapters for fiber optic cables. 【Features of Fiber Optic UPC Connector】Insertion loss: 1310nm ≤ 0.2dB, Return loss: 1310nm ≥ 50dB, Operating wavelength: 1310nm~1550nm, Operating temperature: -40°C to +95°C, Sheath material: Zirconia ceramics. 【Low Loss】Reduces signal loss, is not sensitive to light waves, and can meet the transmission requirements of wavelengths 1310nm and 1550nm. Small and lightweight, plug and play, with over 1000 insertion cycles, and good flame retardancy, high temperature resistance, high impact strength, and beautiful appearance. 【Good Performance】Effectively suppresses noise in the ground circuit, isolates other types of noise signals, and prevents damage to external control systems. 【Wide Application】Compatible with optical power meters, fiber optic equipment test interface conversion, and fiber optic LAN. Ideal for communication networks, Ethernet, and optical communication equipment. It has a wide range of applications. 【For Adjusting Cable Length】Also serves as an extension cable to compensate for insufficient cable length, and can be used when network devices are installed at a distance that cannot be reached. The connector cover also increases the strength of the connection.