Sopofiber manual variable optical attenuator is a passive device that provides variable 0~30dB attenuation.Telcordia GR-910-CORE qualified and RoHS compliant,Website: , the optical attenuator is very popular with customers worldwide. Features1. Compact size, convenient installation 2. Wide attenuation range3. High resolution4. Low insertion lossApplications Sopofiber manual variable optical attenuator has found a variety of applications, such as multichannel optical power balance, power protection, as well as line and WDM system power control. Sopofiber is manual variable optical attenuator manufacturer in China, we offer manual variable optical attenuator, and OEO converter, optical isolator, we supply high quality with competitive price, our company is based on China, full chain of manufacturing portable variable optical attenuator, single channel FBG DCM module can be completed in China, even in one city. Lower manufacturing cost saves your purchasing cost. The more details of each product are shown the page with description.