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A. Expanding the Network > SIGNAL INTERFERENCE ISSUES

SIGNAL INTERFERENCE ISSUES

All network topologies face a risk of interference with the signal, causing a cessation of communication or an agonizingly slow rate of communication. As you expand your network and try to fit more stuff into your rooms and walls and along your cable runs, you might inadvertently cause yourself some problems.

WIRELESS INTERFERENCE

Wireless networks have the greatest risk of interference because RF technology swirls around the room, potentially bumping into other RF devices. Cordless telephones and microwave ovens are the two most common causes of interference problems because they use the same 2.4GHz frequency band as your wireless network.

However, beyond frequency interference, wireless communications experience interference from metallic objects in your home. Metal furniture, metal studs, nails, foil-backed insulation, and even lead paint can reduce the speed and distance of a wireless signal. In addition, high-density materials such as concrete and plaster are more difficult to penetrate and absorb some of the signal’s energy, shortening the distance the signal travels. Porous materials such as wood or drywall are more “wireless friendly.”


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