Space (i.e. a few neighboring frequencies) available for broadcasting within a particular frequency band.
that part of the sky designated for the sole use of aircraft.
The cavity in a cavity wall containing air for insulation.
The portion of an enclosed area which contains air, especially breathable air.
A specified portion of the atmosphere, especially that under the technical aviation control and/or jurisdiction of a particular state over which territory (and territorial waters) it lies.
The width of the smallest frequency band within which the signal can fit.
The rate of data flow in digital networks typically measured in bits per second; the bitrate.
The width, usually measured in hertz, of a frequency band.
The capacity, energy or time required.