1.Low back reflection and Low PDL 2.Connector type:FC, SC, ST, LC 3.0~30dB of attenuation range 4.Manufacturer & ... attenuation valuePrecise control of attenuation range Simple manipulationConnector type: FC, SC, ST, LC or other typeMaterial:Housing Material: Plastic or MetalSleeve ... system Fiber optical CATVFiber optical sensor Testing equipment (Flange type) LC fiber optic attenuator