"Cortex-5 Ltd was founded in 2003 the company developed its business in the optical telecomunication as the following activities: - Installation of optical telecommunications equipment, installation of optical mufi, installation of optical distributors / ODF /, measurement of optical cables and fibers networks, making excavations for communication (telecommunication) construction, installation of LAN networks, building struktorni systems and optical cable routes. We offer clients a high quality as well as activities carried out by us and by the products such as: - patch cords, pig tails, optical joint, optical cable, media converters, optical attenuators, optical adapters. The company is certified according to ISO 9001:2008 / Certificate No BG16021Q / certification covering design, supply and distribution of components, installation, testing and maintenance of optical cable networks and cable systems structure in the field of telecomunication.