Home›Browse›Optical attenuator🌐EnglishEnglishFrançaisPortuguêsفارسی中文日本語EntityQ7098828· pop 5· linked from 12 articlesOptical attenuatorSign in to savedevice used to reduce the power level of an optical signalAvailable in 5 languages中文PortuguêsHebrewفارسیvia Wikidata sitelinks · CC0