Aethra provides testing and measuring instruments, ISDN terminal adapters and network terminations, ADSL products, MCUS and videoconferencing systems, as well as complete services for audio/video multiconferencing.Founded in 1972, Aethra field of business is Telecommunications and Telematics. On the strength of branch offices in Turin, Milan, Venice, Bologna, Palermo, Rome and Naples, the Company headquarters located in Ancona handle distribution of the Company products throughout all of Italy, while the offices in Beijing, Dubai, Miami, Lima and Santiago de Chile ensure Aethra& ability to meet the immediate needs of its customers worldwide, both directly and with over 30 distributors and resellers

Time is critical variable in nearly every electronic system. Knowing a precise time and/or frequency becomes important whenever mission critical systems, such as telecommunications networks, must be synchronized or extremely accurate measurements are required. Established in 1956, Symmetricom is the world leader in the generation, synchronization and distribution of precise time and frequency signals. Symmetricom designs, manufactures and markets atomic clocks and network synchronization and timing solutions used in wireline and wireless telecom networks, space, defense and avionics systems, and enterprise IT networks. Our customers include network service providers, telecom equipment manufacturers, military and aerospace contractors, enterprises, as well as government and research facilities in over 90 countries around the globe. Symmetricom maintains operations at locations throughout the world. The company is ISO-9001 certified and constantly works to improve its products and services to customer worldwides.