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VIAVI is a global leader in test and measurement
and optical technologies 

Our test, monitoring, assurance, and resilient position, navigation and timing solutions enable and secure critical infrastructure ranging from data center ecosystems and communication networks to military, aerospace, railway and first responder communications. In addition, we develop and advance technologies used in high-volume optical applications across anti-counterfeiting, consumer electronics, aerospace, industrial and automotive end markets. 

From testing, assuring, and securing the largest communications networks around the globe, to the coatings and filters that make your car’s spatial sensing possible, our technologies have a diverse impact on the world. Discover how we enable new possibilities that touch every area of life.