Standard duplex LC connector, bend-insensitive single-mode 9/125 fiber Duplex clips allow easy insertion when holding connectors together 100% functional testing for performance and integrity Single-mode 9/125 fiber suitable for testing applications Type: Loopback module Test wavelength: 1310 nm and 1550 nm Fiber: Single mode 9/125 Connector: LC/UPC Insertion loss: typical ≤ 0.20 dB, maximum ≤ 0.30 dB Repeatability: ≤ 0.10 dB Interchangeability: ≤ 0.20 dB Durability: ≤ 0.20 dB typical change after 1000 mating cycles Operating temperature: -20°C to +70°C Storage temperature: -40°C to +85°C Application: fiber laboratory, telecommunication testing, FTTX testing, patch panel use, equipment interconnection Color: black + blue Material: plastic Package Contents: 2 x Loopback Adapter Note: Light and display differences may cause slight variations in color between the image and actual item. Measurement may vary by +/- 1-3 cm.