I first presented on 5G For Sceptics at the 5G Smart Futures event in Bristol in March 2019, then again at the Pervasive Media Studio in April. Here are the slides. I’ve used images and diagrams from a couple of online articles I found useful, at emfexplained.info and spectrum.ieee.org.
The links in the embedded PDF aren’t clickable. You can download the (clickable) PDF here.5G-for-Sceptics