Viavi Solutions is the reincarnation of several company name changes over the many years of its history.  You may recognize TTC, Acterna, JDSU, all of which has led to the present Viavi Solutions, Inc.  The company is still steeped into test and measurement of multiple technologies, whether it be copper, fiber optics, wireless, cellular, CATV or RF.  Viavi is the industry leader in the manufacturing of test equipment for validation, certification, and troubleshooting.  The products encompass straight forward handheld instruments to complete systems that can encompass the entire enterprise.  

Visit the Via Solutions site here: https://www.viavisolutions.com