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Fiber optic cable is composed of thin strands of coated glass fiber. [©Jupiter Images, 2009]

Consumer Electronics » Telecommunications

What is a fiber optic cable?

Learn how fiber optic cable transmits messages by directing beams of light.

A telefax machine transmits graphics and text over telephone lines. [©Jupiter Images, 2009]

Consumer Electronics » Telecommunications

How does a telefax work?

Learn how a fax machine transmits graphics and text over phone lines.

The BlackBerry is the most popular device from Canadian telecommunications company Research In Motion (RIM). [©Jupiter Images, 2009]

Consumer Electronics » Telecommunications

BlackBerry

Use this article to help decide if a BlackBerry is the right wireless device for you.

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