Design of Novel S-Shaped Quad-Band Antenna for MedRadio/WMTS/ISM Implantable Biotelemetry Applications

Figure 12

Simulated three-dimensional antenna radiation patterns (delivered power = 1 W), (a) 401 MHz, (b) 433 MHz, (c) 1.427 GHz, and (d) 2.4 GHz.

(a)

(b)

(c)

(d)