Miniaturized Printed Inverted-F Antenna for Internet of Things: A Design on PCB with a Meandering Line and Shorting Strip

Table 2

The gain of the proposed PIFA.

Plane	Peak (dBi)		Average (dBi)
	Horizontal	Vertical	Horizontal	Vertical
Y-Z	2.31	2.75	−4.12	−3.35
X-Z	1.92	−2.00	−3.25	−7.94
X-Y	4.00	−1.12	−2.51	−7.28