Assertion: carrier frequency | /r/ObjectUse | used in narrowband fm
Facets:
value: commonly
type: TEMPORAL
Source sentences:
text: In narrowband FM, commonly used in two-way wireless communications, the instantaneous carrier frequency varies by up to 5 kilohertz (kHz, where 1 kHz = 1000 hertz or alternating cycles per second) above and below the frequency of the carrier with no modulation.