What is DSL? Explained in a simple and understandable way

When it comes to Internet connections and their speeds, the term DSL is often used. We'll tell you what it is.

DSL - what is it?

• The abbreviation DSL stands for "Digital Subscriber Line". It is a technical standard for the transmission of data.
• Every household can access the Internet and telephone via a subscriber line. If you are connected via a DSL line, you can surf the Internet much faster than via an ISDN line or a modem.
• The DSL line consists of a copper cable on which high and low frequencies are sent. The telephone connection is operated in a small range of low frequencies, the remaining bandwidth is used for the Internet.

In the next practical tip, we will show you how to check DSL availability in your area.

DSL comparison calculator

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