Description: FC-LC Adapter, Fiber Red, Optical Power Adapter Suitable for the connection of optical communication systems, optical instruments, light sources, optical power meters, red light pens and other connectors High dimensional accuracy, good interchangeability, repeatable models, good wear resistance Insertion loss (dB): ? 0.5 Attenuation (dB): ? 0.3 Repeatability (dB): ? 0.2 Interchangeability (dB): less than or equal to 0.2 Package Includes: 1x LC Connector