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Types of USB Modems
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There are many USB modems available on the market. They can be purchased from a variety of cellular phone carriers; each carrier has a different modem for different uses. Many carriers have USB modems for business use and USB modems for personal use.
How It Works
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The USB modem is used to access Internet service away from the home or office. It works on wireless broadband that is available in a variety of locations called "hot spots." The USB modem works with a cellular phone carrier; they provide the broadband and they usually charge a monthly fee. The USB modem connects to a USB port on the laptop. It then works with the wireless network in the area, and provides Internet access. It can be transported virtually anywhere.
Convenience
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The biggest appeal of USB modems is the convenience its brings. You can plug it into your USB port on your laptop and access wireless Internet immediately. Choosing the right modem is important. When choosing a carrier, pick one that has wireless Internet access in a variety of locations.
eHow Article: How a USB Modem Works
