Assertion: omnidirectional antenna | /r/ObjectUse | used for radio broadcasting antennas
Facets:
value: in mobile devices
type: LOCATION
value: for base stations
type: PURPOSE
value: widely
type: DEGREE
Source sentences:
text: Omnidirectional antennas are widely used for radio broadcasting antennas, and in mobile devices that use radio such as cell phones, FM radios, walkie-talkies, wireless computer networks, cordless phones, GPS, as well as for base stations that communicate with mobile radios, such as police and taxi dispatchers and aircraft communications.