Features Main Purpose: OTDR fiber optic test launch cable box kit is mainly used to make up for the blind spot of OTDR test and improve the test efficiency. Large Testing Range: This fiber optic test extension cable is made of single-mode fiber type, with a distance of up to 2000 meters, and the test cable is long enough to greatly reduce the usage limitation. Advanced Material: This OTDR tester extension cable is made of excellent fiber and plastic material, with good toughness and wear resistance, long service life. Excellent Performance: this fiber optic test launch cable box has excellent sealing performance, waterproof, dirt-proof and explosion-proof, which ensures good test reliability and stability. Easy To Operate: no fusion point in the middle of the optical fibre, low loss, stable performance, small size, light weight, easy to operate and carry. Specification: Item Type: Fiber Test Extension Cable Material: Fiber, Plastic Cable Type: Fiber Optic Compatible Device: OTDR Length: Approx. 2000 meter / 6561.7ft Application: Mainly used to make up for the blind spot of OTDR testing Fiber Type: Single Mode (9/125) Product Loss Rate: Loss less than or equal to 0.5dBm/km Package List: 2 x OTDR Graphical Text Reports 1 x OTDR Extension Cable 1 x Storage Box 1 x Storage Bag Note: Pay attention to safety protection when using Package List 1 x OTDR Graphical Text Reports 1 x OTDR Extension Cable 1 x Storage Box 1 x Storage Bag