Package includes20PC SC/UPC male to SC/APC female singlemode hybrid fiber converter/coupler/adapter. ^^ Product parameterAttenuation (1310nm) 0.28 dB, Attenuation (1550nm) 0.31 dB; Reflectance (1310nm) 52.3 dB, Reflectance (1550nm) 51.8 dB. ^^ Isolation effectThe optical fiber connector adapter can effectively suppress the noise of the ground loop and isolate various other interferences. ^^ AdvantageThe loss of optical fiber connectors is not sensitive to light waves, and can meet the transmission needs of different wavelengths. ^^ ApplicationWidely used in EDFA, DWDM, OADM, CATV, optical fiber system.