Vdsl meaning

See DSL.
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Specified by the ITU-T in Recommendation G.993.1 (June 2004),VDSL is a high speed DSL variant that provides for downstream data rates up to 55 Mbps and upstream rates up to 15 Mbps over distances up to 1,000 feet (300 meters), sensitive to factors such as local loop characteristics.VDSL operates in a frequency range up to approximately 8.8 MHz divided amongst 2,048 subcarriers.As attenuation is a considerable issue such high frequencies, performance drops precipitously beyond 1,000 feet.VDSL2 was published in February 2006. See also attenuation, downstream, frequency, ITU-T, subcarrier, upstream, and VDSL2.
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