Features Optimized for Versatility: Designed to function seamlessly at both 1310nm and 1550nm wavelengths, this OTDR (Optical Time Domain Reflectometer) fiber optic test cable accurately measures loss and reflectivity at connection points, as well as enables non-destructive insertions into fiber optic lines for efficient fault isolation Enhanced Durability: The cable's housing is constructed from waterproof and dustproof ABS material, providing exceptional mechanical properties and impact resistance, ensuring functionality even in sub-0 temperatures Accurate Testing Results: This OTDR transmission cable is specifically engineered to mitigate dead zones during OTDR testing, delivering reliable measurement results essential for maintaining fiber optic network integrity High-Quality Construction: Boasting excellent wear resistance, effective electrical insulation, and a remarkable resilience to fluctuations in temperature, humidity, and frequency, this cable is designed to perform consistently in a broad range of environmental conditions Convenient Portability: The coiled design of the OTDR fiber optic extension cable offers practicality and ease of transport, making it compact and lightweight. It's well-suited for testing in fiber optic networks of varying lengths, from local patch panels to expansive telecommunications infrastructure. Features: This OTDR fiber optic test cable is versatile, operating at both 1310nm and 1550nm wavelengths for precise loss and reflectivity measurements, and effective for fault isolation without causing damage. It is durable, with a waterproof and dustproof ABS casing that withstands harsh conditions including low temperatures. The design minimizes dead zones, ensuring accurate test results vital for network integrity. It is high-quality, resistant to wear and varying environmental factors. The coiled cable is portable, suitable for both short and long-distance network testing. Specification: Item Type: OTDR Launching Cable Box Model: SC/UPC-SC/UPC 1KM Application: For SM 1310/1550nm single mode cable Fiber Type: SM G652D 9/125um Loss: 0.33dB/KM at 1310nm, 0.19dB/KM at 1550nm. IL RL: <0.25dB, >-55dB Refractive Index: 1.46850 Range: Approx. 5000m / 16404.2ft Pulse Width: 10ns Measurement Time: 30s Package List:1 x OTDR Launching Cable1 x Storage Box1 x Storage Bag1 x User Manual Package List 1 x OTDR Launch Cable 1 x Storage Box 1 x Storage Bag 1 x User Manual