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dear sir in theses sentences
1)Once a client has associated with one AP, it can freely move about.
i don't understand move about
2)An omnidirectional antenna tends to propagate a signal equally in all directions in one plane, but
not along the antenna’s length. The result is a donut-shaped pattern as shown on the right portion of Figure 17-18.
i don't understand donut-shaped pattern
Highly directional (dish) 22 :dBi Narrow beam, starting at the antenna; used in line-of-
sight signal paths
i don't understand narrow beam
When an RF signal meets the boundary between media of two different densities, it can also be
refracted. Think of re?ection as bouncing off a surface and refraction as being bent while passin
through a surface.
i don't understand bouncing off
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