Reflection
If an RF signal traveling as a wave meets a dense reflective material, the signal can be reflected. Think of the light emitted from a light bulb; while most of the light is traveling in all directions away from the bulb, some might be reflected from objects in a room. The reflected light might travel back toward the bulb or toward another area of the room, making that area even brighter.
Figure 3-8 depicts a reflected RF signal. Indoor objects such as metal furniture, filing cabinets, and metal doors can cause reflection. An outdoor wireless signal can be reflected by objects such as a body of water, reflective glass on a building, or the surface of the earth.
Figure 3-8 Reflection of an RF Signal.
A reflection is not necessarily ...
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