Attenuation by a Human Body and Trees as well as Material Penetration Loss in 26 and 39 GHz Millimeter Wave Bands

Figure 4

Penetration loss measurements for a wooden door of the laboratory (a), a transparent glass door of the hall (b), a frosted glass door of a small office (c), and a wooden door of the cabinet (d).

(a)

(b)

(c)

(d)