Features 1、Portable: The optical fiber extension cable is mainly used to make up for the blind spot of the OTDR test. There is no connector in the middle, so it is small in size and light in weight. 2、Low Loss: The loss of this fiber line can be guaranteed to be within the range of 0.5dBm per kilometer. 3、Good Sealing: Because of the good sealing, the optical fiber extension cable can be waterproof, dirt resistant and explosion proof. 4、Long Length: The length of this fiber optic cable reaches 1000m, which can meet your requirements perfectly. 5、Fiber and Plastic Material: The high quality material used in the optical fiber cable makes the optical cable have good performance, more practical and durable. Specification Item Type: OTDR Launch Cable Material: Fiber and plastic Length: Approx. 1000m / 3280ft Single Mode: (9/125) Loss: ≤0.5dBm / km Package List 2 x OTDR Graphical Text Report 1 x OTDR Extension Cable 1 x Storage Box 1 x Storage Bag