Specification Brand : Phantom Cables BulletPoint1 : Connector A: SC/UPC Female Simplex BulletPoint2 : Connector B: SC/UPC Male Simplex BulletPoint3 : Operating Wavelength 1310nm / 1550nm BulletPoint4 : Singlemode BulletPoint5 : Attenuation 20dB / Return Loss >50dB / Tolerance +/- 0.5dB ConnectorType : Optical ExternallyAssignedProductIdentifier1 : 0675678013883 ExternallyAssignedProductIdentifier2 : 675678013883 ItemName : SC/SC singlemode Fiber Optic Attenuator UPC Male/Female 20db ItemPackageQuantity : 1 ItemTypeKeyword : fiber-optic-attenuators Manufacturer : Infinite Cables Material : fiber PartNumber : FO-ATSC3-20DB ProductDescription : This fixed fiber optic attenuator consists of a SC simplex male on one end and a SC simplex female on the other end. It is typically used to either test power levels or reduce power levels of an optical signal. ProductSiteLaunchDate : 2016-08-04T16:09:37.278Z UnspscCode : 43223311