OTDR Launch Cable is mainly used to make up the blind area of OTDR test ^^ Suit for Singlemode Cable 1310 1550nmOtdr Optical Fiber Launch Cable Is Used To Measure The Loss And Reflectivity Of The Proximal Connection And The Remote Non Corrupt Insertion Of The Optical Fiber Line Using Otdr ^^ OTDR Launch Cable The interface is SCUPC to SCUPC, with a length of 1km ^^ There is no fusion interface in the middle of the optical fiber, which is small in size, lightweight, and easy to carry ^^ Single Mode, Case Can House Up To 1, 000 Meters Of Fiber