Features: 1.Low Loss: Fiber adapter adopts ceramic sleeve to provide high accuracy size, reduce insertion loss and prevent ESD damage and burn. 2.Widely Used: Fiber optic connector is suitable for optical fiber engineering such as telecom CATV engineering and maintenance, optical Internet maintenance and optical measurement unit engineering. 3.Good Isolation Effect: FC male to LC female fiber adapter can effectively suppress the noise of the grounding circuit, isolate all kinds of interference signals, and prevent the main control system from being damaged. 4.Compact Design: Optical fiber connector is small in size, light in weight, easy to carry and store, and does not take up too much space. 5.Durable Reusable: Fiber optic connector is reusable, durable, high accuracy, and has good compatibility. specification:Item Type: Fiber Adapter Material of Sleeve: Ceramic,Metal Connector: FC/UPC Revolution LC/UPC Female Type of Product: PC,UPC,APC Operating Wavelength: 1310nm-1550nm Interchangeability: 0.2dB Attrition Rate: 0.2dB Plugging Times: > 1000 Operating Temperature:--40C+95C Storage Temperature:-55C+85C PackageList:2 xFiber Adapter NotePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.