NetTest A/S provides test and measurement instruments and network monitoring solutions for optical, wireless, wireline, broadband, and enterprise networks. Its products include field tester, fault locator, optical test system, optical time domain reflectometer, power meter, loss test set, ethernet tester, network test and measurement platform, optical spectrum analysis application, network troubleshooting and optimization solution attenuators, channel equalizer, fiber identifier, fiber adapter, broadband sources, fiber inspection microscopes, and analyzers. The company’s products and services also comprise call data analyzers, light sources, fraud detection products, interconnect management products, network and service assurance systems, network performance monitoring products, service performance monitoring products, troubleshooting products, masterwatch remote fiber test systems, multiplexer/demultiplexers, multi-protocol analyzers, optical network characterization services, optical training services, polarization mode dispersion application, and LAN, WAN and ATM monitoring systems. Its optical test and monitoring solutions allow installers and service providers to develop and deploy high-bandwidth communication networks. The company was founded in 2002 and is headquartered in Brøndby, Denmark with additional offices in the United States, China, France, Germany, Italy, Singapore, Spain, and the United Kingdom. NetTest A/S operates as a subsidiary of Anritsu Corp.