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Summary: A cable modem is a device used to give someone Internet access from their Internet service provider, and some have wireless antennae that send signals into the air waves. Discover why a coaxial cable is needed for a wireless cable modem to work with help from a computer and network administration specialist in this free video on cable wireless modems.
"Hello, my name is Mark Daly and I'm going to talk about how cable wireless modems work. A cable modem is a device used to give you Internet access from your Internet service provider. Which would have a coaxial cable coming into it, which brings the data into your network. And then the cable router, part of it usually has a wire connection where you can plug into the computer, directly in. Or in more recent days, also has wireless antennas on it, that send the signal into the air waves, wirelessly. So that the cable modem, the way that it works is, the Internet access comes in through the coaxial, and then is dispersed through the wireless into the air. And then received by your wireless adapter chords that are in your computers or laptops. And that is the way that a cable wireless modem works."
eHow Article: How Do Cable Wireless Modems Work?