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 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: -20C to +70C Storage temperature: -40C to +85C Application: fiber laboratory, telecommunications testing, FTTX testing, patch panel use, equipment interconnection Color: black + blue Material: plastic Package Contents: 2 x Loopback Adapter Note: The package includes only the items listed above; other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance: +/- 1-3 cm.