In radio technology, the distinction is not the source of the local oscillator, but the frequency used.

These tables detail the frequencies used in European cable networks.

The frequencies used by this bat species for echolocation lie between 35 and 108 kHz.

He developed the Savart wheel which produces sound at specific graduated frequencies using rotating disks.

"But for that, you'd have to already know at least what frequencies the Secret Service was using, and that's a closely guarded secret."

The 100.9 frequency used to be in Walterboro, South Carolina.

Even for the low frequencies used on power transmission lines, one tenth of a wavelength is still only about 500 kilometres at 60 Hz.

But the equipment is specific to a frequency and the Home Office has yet to tell bus operators what new frequencies they can use.

No equipment or robots were injured since the frequencies used only caused resonance in animal protein.

Often used to maintain connectivity in digital communications high frequency radio networks.