The value rates offered by T-Mobile USA are mobile communications services that are not tied to purchasing an end device or other advance payment.
VDSL represents a novel data transmission technology based on fiber optics. With VDSL , significantly higher transmission rates can be achieved for short distances than with transmission through normal telephone lines.
Vectoring (VDSL2 vectoring) is a control technology that minimizes mutual interference caused by neighboring DSL lines. Vectoring considerably increases the speed of data transmission via copper lines, making it possible to offer higher bandwidths cost-efficiently.
Vigeo is one of the leading rating agencies for CSR analyses in Europe. Vigeo 's SRI products include ESI (Ethibel Sustainability Index) and the ASPI Eurozone Index (Advanced Sustainable Performance Indices). The latter rates 120 of Europe's leading sustainability performers.