If offers a higher rate of information than coaxial cables and can be used as a support for broadband networks through television, computer data, videoconferencing or telephone. The fiber is 
surrounded by a protective sheath which can be used to conduct light between two places that are separated by hundred or even thousands of kilometers. It is one of the important element of the telecommunications revolutions, since that it makes possible to make communications at very long distances and at rates that have been impossible.
At AJS Groupe, we install many types of fiber optic, single mode, multimode etc. To be sure that the fiber optic transmits all data and meets the standards, we perform tests with specialized testers.