Very High Bitrate Digital Subscriber Line Facts for Kids

DSL technologies
	Standard
ADSL	ANSI T1.413 Issue 2 ITU G.992.1 (G.DMT) ITU G.992.2 (G.Lite)
ADSL2	ITU G.992.3/4 ITU G.992.3 Annex J ITU G.992.3 Annex L
ADSL2+	ITU G.992.5 ITU G.992.5 Annex M
HDSL	ITU G.991.1
HDSL2
IDSL
MSDSL
PDSL
RADSL
SDSL
SHDSL	ITU G.991.2
UDSL
VDSL	ITU G.993.1
VDSL2	ITU G.993.2

VDSL or VHDSL stands for Very High Bitrate Digital Subscriber Line. It's a special technology that helps move data very quickly over regular copper telephone wires. Imagine it like a super-fast highway for information!

VDSL lets you do many things at once on just one connection. You can watch digital television (like HDTV), make phone calls using Voice over IP (VoIP), and browse the Internet. All this happens using the same wires that your home phone (called POTS, or Plain Old Telephone Service) already uses.

What is VDSL?
How VDSL Works
What Can VDSL Do?
Related pages
Images for kids
See also

What is VDSL?

VDSL is a type of DSL technology. DSL uses your existing phone lines to send internet data. VDSL is an improved, much faster version of DSL. It's designed to handle a lot more information at once, which is why it's called "Very High Bitrate."

How VDSL Works

VDSL sends data over a single pair of copper wires. These wires can be untwisted or twisted. The technology uses special signals to pack a lot of data onto these wires. Because it's so fast, VDSL is perfect for things that need a lot of bandwidth, like streaming high-quality video or having very clear online calls.

What Can VDSL Do?

With VDSL, you can enjoy:

Super-fast Internet: Browse websites, download files, and play online games without much waiting.
Digital TV: Stream high-definition movies and TV shows smoothly.
Voice over IP (VoIP): Make phone calls over the internet, often with clearer sound.

All these services can run at the same time on one connection, using the phone wires already in your home. This makes VDSL a very efficient way to get multiple services.