Description: Low insertion and back reflection loss Good exchangeability,Good durability High temperature stability Connector: ST to ST Fiber Type: Duplex Jacket Specification: Fiber Mode: 50/125?m Material: PVC Color: Blue Insertion loss: ?0.3dB Return loss: ?50dB Operating temperature: -40~75 °C Storage temperature: -45~85 °C Package Includes: 1PiecexST to ST Fiber Optic Jumper