Design of Dual-Band Miniaturised Wearable Antenna at 433 MHz and 915 MHz

This paper proposes a wearable planar dual-band antenna that is ultra-minimized for uses in biotelemetry applications. With a tiny volume of 0.000000384, the suggested antenna covers the bands for Industry, Science, and Medicine (ISM) at 433 MHz and 915 MHz. To accomplish downsizing, the antenna is made up of a flowing line above side of the substrate and an inductive grid structure loaded on the back. Furthermore, there is a big advantage to the antenna's lack of vias in terms of making the fabrication process simpler. The incorporation of additional elements of the architecture at the device level is taken into account in the design methodology. As soon as the antenna is positioned on the various human anatomy parts, such the hand and head, it performs steadily. The assessed specific absorption rate (SAR) conforms to the prescribed standards for human safety.