The explosive growth in bandwidth demand driven by the development of the Internet and distributed IT services has led to a paradigm shift in the telecommunications industry from circuit-switched technology for voice communications to packet-switched services optimized for fiber optic data transmission. Qualitatively designed optical networks using equipment from market leaders allow you to connect the company's internal IT infrastructure to external transport networks, build failover distributed data centers and branch infrastructure. The MUK group of companies offers its partners a portfolio of products for the development of CWDM / DWDM / OTN solutions for data transmission networks, data centers, data storage, voice, video and other services. The company's portfolio includes products for building a highly efficient infrastructure for DWDM networks. It is a set of carrier class solutions featuring high performance, user-friendliness, and competitive price. Devices from the MUK portfolio are versatile and can be used as part of a WDM infrastructure of any topology: from point-to-point networks to carrier class networks with a length of thousands of kilometers.