What Is a Wireless Hub or Adaptor for a Laptop Computer?
A computer adapter is a device that adapts your computer for a purpose that wasn't part of the computer's original design. Wireless adapters are popular devices for laptop computers, since they are designed for mobility.
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Clarifying Terminology
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"Wireless" for laptops can refer to a local Wi-Fi connection, or it can refer to an Internet connection that uses nearby cell phone towers. The latter version is usually called a "broadband modem" card.
Adapter Attachment
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Desktop computer adapters are installed inside the case, but laptop communications adapters are cards inserted into the side of the laptop.
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Wireless Hubs
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Wireless hubs are what wireless Wi-Fi adapters connect to. There are no wireless hubs designed specifically for laptops, though you may find some engineered for portability.
Popularity
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Most modern laptops integrate wireless adapters into their internal circuitry. Verify that your laptop does not have built-in wireless before getting an adapter.
Adapter Varieties
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The latest version of Wi-Fi is called 802.11n and can transmit at up to 300 megabits per second (Mbps). The previous version, 802.11g, maxes out at 54 Mbps.
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