radio frequency

The agent in the security room repeats this message to those at the debate site, listening on the “Mike” radio frequency.

The agents positioned with clear sightlines provided updates on a shared radio frequency to all law enforcement in the area.

The Interplanetarian struck back, using radio frequency that flamed fiercely against the Invincible's outer screen.

Heaters to destroy immediate vegetation, and Radio-Frequency beams to kill insects and their larvae over a wider area.

The radio device actually is a radio frequency spectroscope.

A radio frequency transformer is shown at B and costs $6 to $7.

The output of this audion was a radio-frequency current modulated by the voice.