Assertion: antenna | /r/CapableOf | focus energy
Facets:
value: in a particular direction
type: MANNER
Source sentences:
text: Directivity is a numerical indication of the ability of an antenna to focus energy in a particular direction rather than spreading energy out uniformly over a wide angle range.
text: [pq]The antenna concentrates the energy, so we gain more signal, range, or distance.[/pq]