other words for radio beam
EXAMPLE SENTENCES FROM THE WEB
The rockets of the tiny missile were flaming, but that flame was visible only from the rear and no radio beam was upon it.
It'll be simple for them to send out a radio beam and touch our invisible ship with it.
We can have no warning, I suppose; your ship will outrace the radio beam.
"A way of transmitting real power in a radio beam," said the 'copter man.
They would hold her on the radio beam better than he ever could.