Wireless Environmental Factors

There are several environmental factors that can affect the range and performance of wireless networks.

Walls and ceilings

Walls and ceilings between the AP device and wireless clients can degrade signal strength. Wireless signals can penetrate walls and other structures, but the rate of penetration is directly related to the type of building materials, materials thickness, and the distance from the wireless antenna.

Building materials

Metal and aluminum doors, glass, concrete, and other types of building materials can have a significantly negative effect on the signal strength of wireless signals.

EMI (Electro-magnetic interference)

EMI from other electrical devices, such as microwaves, cordless phones, and wireless headsets, can generate significant RF noise and degrade or disrupt wireless communications.

Distance

Wireless signals degrade quickly past their maximum range. You must plan your network carefully to provide adequate wireless coverage over the range you require in your environment.

See Also

Wireless Signal Strength and Noise Levels

Wireless Site Survey

Wireless Placement

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