Table 2: Values of parameters that determine the design of the four proposed dual-band PIFAs. All dimensions are in millimetres.

Dimension K2 GK2 D-GK2 MK2

3.1 3.1 3.1 3.1
2.5 2.1 2.2 1.5
10.3 8.9 8.9 6.7
24.0 23.3 23.2 21.6
2.4 1.4 1.5 1.5
0.5 0.5 0.6 0.3
5.3 6.4 6.1 6.6
0.5 0.4 0.4 0.4
1.0 1.1 0.6 0.9
6.2 6.1 6.4 6.2
1.7 1.9 2.3 1.9

The first row denotes the extent of the PCB, the second row denotes the size of the ground plane, and the third one denotes the extent of the antenna element.