Zzzap can see radio waves

The air hissed, the darkness fled, and Zzzap hovered above them.
“Hey, he buzzed. Not interrupting anything, am I?”
St. George staggered to a clumsy stop.
“Saw this cloud when I was running to the Mount and thought I should head back to check it out.”
Ty squinted at the gleaming outline. “What cloud?”
“He sees radio waves,” said Cerberus.
“Hey, did you guys know there’s a signal jammer in that car over there?”

Excerpt From Ex-Heroes, pg 118
Peter Clines
https://books.apple.com/us/book/ex-heroes/id585738407