Wiktionary
frequency channel
n. The band used by one customer, among the given total frequency spectrum.
Usage examples of "frequency channel".
Each fighter pilot set the same laser frequency channel into their receivers, corresponding with the frequency that Luger, in the DC- 10, was using to track the unidentified aircraft with the laser radar.
The highest frequency channel just barely skirted the upper edge of the shield spectrum.
Using a special frequency channel that was reserved exclusively for instant contact between Rhodan and Atlan, Terrania's huge hypercom transmitter made contact with the Crystal Palace.