Description: Standard Fiber Optic Adapter ( Fiber Optic Flange/ Mating Sleeves ) is a fiber optical passive device designed for connection between two connectors. There is a variety of adapters of high accuracy, low insertion loss, superior durability, excellent interconnection and adaptability to temperature. This for FC type adapters also have good performance in optical and mechanical and widely used in optical distribution frame (ODF), communications and measurement equipments. Specification: Material: FBT Color: Blue Precision machining size, high reliability, stability Low insertion loss, high return loss, good interchangeability Insertion loss: 0.2dB Return Loss: 50dB Working temperature: -30 - + 75 Storage temperature: -40 - + 85 Interchangeability: 0.2dB Vibration test: 0.1dB (10-60Hz, 1.5mm amplitude) Repeatability: 1000 times Connection: for FC, ST threaded locking type; LC, SC to snap Quantity: 10 PCS Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 10PCS x Fiber Optic Adapter