Research Article

Compact, Slotted, Printed Antennas for Dual-Band Communication in Future Wireless Sensor Networks

Figure 16

Numerically estimated three-dimensional gain patterns of the K2 PIFA at (a) 2.6 GHz and (b) 5.4 GHz. Notice the different amplitude scales (both are given in dBi).
873234.fig.0016a
(a)
873234.fig.0016b
(b)