Why Is Dial-Up Slower Than DSL?

Before you think that there’s an easy answer to why DSL is a faster internet connection than dial-up, think about a question that was recently raised: how can two connections differ so greatly in speed when both of them utilize a phone line? The answer is that it’s all about the signal. If you remember the beginnings of mainstream internet usage, then you remember how your dial-up modem screeched as it connected to the internet. That dial-up connection used the same narrow frequency as the one used by your home phone, and so transmitted data at the same speed. But DSL uses a separate, but faster frequency in the same line. This is what allows you to surf at high speed and talk on the phone. All that needs to be added is a simple frequency splitter to your line.


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