Trilithic is now part of VIAVI – more choices in unified test and measurement

More than just a merger of two test leaders, Trilithic products have been deeply integrated into the VIAVI portfolio. The interoperability of the expanded portfolio helps operators solve their problems better than ever before.

Learn more about Signal Leakage.


Leakage management and leak detection systems for cable networks
Proven Hardware. Setup in minutes.
Handheld spectrum analyzers for testing transmission and signal quality in the field
Hardware and cloud-based solutions to supplement your in-field equipment
Monitoring and maintenance systems for efficient troubleshooting of your system

Support at Every Step

We provide support, services, comprehensive training and the resources you need. It’s all part of what we do to maximize the value of your VIAVI investment.


Value add services that compliment your VIAVI system solution and instrument portfolio to provide a total cost of ownership

Customer Care

Customer Service that provides Return Material Authorization (RMA) for repair and calibration


Technical education solutions, product training, and blended learning for technicians who are using new products or working with existing tools

Technical Assistance

Technical Assistance Center to assist you in using/configuring products or address issues regarding product performance

Ask an Expert

Contact us for more information or to receive a price quote. We have the experts to give you the right answer for any of your questions.