Converters and VDSL2 routers or whatever it is, Very-High-Data-Rate Digital Subscriber Line 2. This is a technology that allows transmission of data over 2-wire telephone lines or coaxial RG59 hata at a distance of 1000 m. The data transmission is asymmetrical with a maximum 100/55 Mbps Ideal for extending LAN 10/100 Mbps at distances not supported by the UTP cable or telephone cable to use pre-installed.