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

Figure 2

The simulated surface current distribution of the proposed antenna at (a) MedRadio band (401 MHz), (b) ISM band (433 MHz), (c) WMTS band (1.427 GHz), and (d) ISM band (2.4 GHz).