Remember Mister Miracle and his incredible super-detection + power-enhancing device: Mother Box?
Well, now an erstwhile gadget maker has built a prototype for Mother Box! It combines a wireless detection card with a microcontroller that produces a small heartbeat-like vibration when a wireless signal is detected. ping - ping - ping ! You’re walking into a hotspot, Sister!
Imagine the possibilities of combining this with other frequency & radiation detectors. We could have a very useful Mother Box warning system, mounted neatly on the shoulder. Just far enough away from your skull, and just high enough to have a multi-directional clear space to listen on. As the inventor points out, people (“meat” sic) absorb signals, so a receiver above the shoulder like an epaulet might work best.