Feature:1. HIGH ACCURACY: Tailored specifically to enhance OTDR test capabilities, this extension cable effectively reduces measurement uncertainty, ensuring more accurate and dependable results.2. VERSATILE APPLICATION: Ideal for a wide range of optical fiber applications, this extension cable is suitable for LAN, WAN, MAN, etc, providing flexibility for diverse networking needs.3. HIGH PERFORMANCE: Featuring excellent sealing capabilities, the cable is water resistant, and explosion proof, making it suitable for use in challenging and demanding environments.4. LIGHTWEIGHT AND PORTABLE: Fiber optic without fusion splicing, compact and lightweight, allowing for easy portability and operations, which is particularly beneficial for field testing.5. LONG LASTING DURABILITY: Manufactured with high grade ABS materials, sturdy and robust, not easy to age and crack, ensuring dependable performance even under frequent use.Specification:Item Type: OTDR Test Extension Cord Fiber Type: SM G652D 9 or 125umLength: Approx. 2000m or 6561.68ftConnector: SC UPCConnector: SC for APCTypical Loss: 0.33dB or KMat.1310nm, 0.19dB or KMat.1550nmOperating Temperature Range: -40-85C.Package List:1 x OTDR Testing Extension Cable1 x Storage Bag1 x Test Report