Features: 1.This LC/UPC?SC/UPC fibre patch cable is low insertion loss, large return loss, and the interactive performance, the repeated plugging performance is excellent. 2.Adopting high?standard production technology, the fibre optic cable is low?smoke, halogen?free, tensile, bending, and corrosion resistance. 3.Both ends of the optical fibre interface are equipped with dust hat to avoid damage to the optical fibre connector and ensure quality. 4.Plug and play, easy to use, dual?core optical cable can solve problems for network disconnection and video jamming. 5.The introduction of the most advanced polishing technology can effectively ensure that the optical fibre dents and other technical parameters meet the standard requirements. specification:Item Type: Optical Cable Material: PVC Optical Fibre Surface: LC / UPC, SC / UPC Core Diameter: 50m Inner Coating Diameter: 125m Optical Fibre Outer Diameter: 3.0mm / 0.1in Total Line Length: 3 Meters / 3.3yd A1: 0.15dB (insertion loss), 36.5dB (return loss) A2: 0.06dB (insertion loss), 35.4dB (return loss) B1: 0.03dB (insertion loss), 36.5dB (return loss) B2: 0.10dB (insertion loss), 37.7dB (return loss) PackageList:1 x OpticalCable