Numerical design of a 26 GHz exposure system for real-time electrophysiological experiments

The rapid development of wireless technologies has led to the adoption of 5G networks particularly in high-frequency bands such as FR2, which operates in the millimeter-wave (mmW) region. The addition of new frequencies, such as 26 GHz, has once again raised the issue of radiofrequency electromagnetic field (RF-EMF) exposure in both public and occupational environments. However, existing biological data on mmW frequencies are insufficient for thorough health evaluations. To bridge this gap, new in vitro studies are required. This work introduces the design and electromagnetic characterization of a 26 GHz exposure system tailored for real-time electrophysiological analysis of living cells.