nominal band

nominal band

[′näm·ə·nəl ‚band]
(communications)
Frequency band of a facsimile-signal wave equal in width to that between zero frequency and maximum modulating frequency; the frequency band occupied in the transmitting medium will, in general, be greater than the nominal band.
References in periodicals archive ?
The actual filter band center frequencies typically are developed as a series of powers of 2 1/3 X 1,000 Hz and may not correspond precisely to the nominal band center frequencies (Table 1).