Figure 1 from Meandered inverted-F antenna for MIMO mobile devices | Semantic Scholar
Antennas: The Inverted-F Antenna (IFA)
MIFA Antenna 2_45 GHz | Projects | CircuitMaker
Designing with an inverted-F 2.4 GHz PCB antenna - Electronics-Lab.com
Inverted-F antenna - Wikipedia
Figure 3 from Parametric analysis of meandered inverted-F antenna and use of a High impedance surface based ground plane for WBAN applications | Semantic Scholar
Meandered Inverted F Antenna Impedance question using CC2530 on a custom PCB - Other wireless technologies forum - Other wireless - TI E2E support forums
Miniaturized Printed Inverted-F Antenna for Internet of Things: A Design on PCB with a Meandering Line and Shorting Strip