Features: 1It has excellent sealing performance, waterproof, anti-fouling and explosion-proof. 2There is no welding joint in the middle of the fiber, so it is small, light and easy to carry. 3Non-metallic structures do not sag, corrode, or conduct electricity. 4The loss is less than 0.5dBm/km, great guarantee work efficiency. 5The blind area of OTDR is mainly caused by the strong light reflection and pulse width, which will generally extend for hundreds of meters from OTDR. While the OTDR test extension cord is generally used between the OTDR and the tested circuit to ensure that the blind area of OTDR will only be reflected on the extension cord and will not cause a great impact on the tested link. Condition: 100% New Item Type: OTDR Launch Box Material: Polypropylene Operating Temperature: -40- 55C Typical Loss: