But no TV transmissions or anything on the FM or ultra-high frequency; nothing on the band we use.

What sort of ultra-high frequencies have you got, Boy?

The adapters did not transmit the nuances of voice into ultra-high frequencies.

They communicated with each other using ultra-high frequencies far above 100,000 Hertz which could not be heard by human or Arkonide ears.

Throbbing Gristle also played at very high volume and produced ultra-high and sub-bass frequencies in an attempt to produce physical effects, naming this approach as "metabolic music."

Jimmy had one of them: it concerned either ultra-high or infra-low frequencies that were going to shudder the projections of the tourists to bits.

In the communication spaces were installed 24 radio transmitters with low through ultra-high frequencies.

At ultra-high frequencies, the boundary between energy and matter started to break down.

That the overload occurred while he was scanning the ultra-high frequencies would lend credence to the theory that the signal was being transformed.

"Could it be that they communicate with ultra-high frequencies?"