broadcastFrequency constant
broadcastFrequency [Expects: https://schema.org/BroadcastFrequencySpecification, https://schema.org/Text]
The frequency used for over-the-air broadcasts. Numeric values or simple ranges, e.g. 87-99. In addition a shortcut idiom is supported for frequencies of AM and FM radio channels, e.g. "87 FM".
Can be used on: https://schema.org/BroadcastChannel, https://schema.org/BroadcastService
Implementation
static const broadcastFrequency = IriTerm.prevalidated(
'https://schema.org/broadcastFrequency',
);