Signal Attenuation and performance drops can result when the wireless signal is absorbed by an object or material,
or as the wireless client moves farther away from the Wireless Gateway. The table below illustrates rule of
thumb attenuation for different kinds of materials.
Material Attenuation (dB)
Wood door (hollow - solid)
Glass / Window (not tinted)
Sources: Furr, Oak Ridge National Labs, 2008, and IEEE
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