Description: A standard fiber optic adapter (fiber optic flange/mating sleeves) is a passive fiber optic device designed for connection between two connectors. There are a variety of adapters with high precision, low insertion loss, superior durability, excellent interconnection and adaptability to temperature. This for FC type adapters also has good performance in optical and mechanical and is widely used in optical distribution frames (ODF), communication and measurement equipment. Specification: Material: FBT Color: Blue Precisely machined 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. Make sure you don't 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: 10 pcs x Fiber Optic Adapter