798046.fig.006a
(a)
798046.fig.006b
(b)
798046.fig.006c
(c)
798046.fig.006d
(d)
Figure 6: Measured radiation patterns: (a) -plane, PCS band, (b) -plane, UMTS band, (c) -plane, WiMAX band, and (d) -plane, PCS/UMTS/WiMAX bands when Antenna 1 is excited.