olemus
ITU: maapealse mobiilteenuse maajaam

(a) mobiiltelefonsides:
telefone võrguga ühendav transiiver
ISO/IEC 27033-6:
seadmestik ühenduse loomiseks mobiiltelefonide ja side tuumvõrgu vahel
= equipment that provides the connection between mobile or cellular phones and the core communication network
https://mobilenetworkguide.com.au/mobile_base_stations.html

(b) traadita arvutivõrgus:
jaoturina toimiv transiiver
= a radio receiver/transmitter that serves as the hub of the local wireless network, and may also be the gateway between a wired network and the wireless network
https://www.youtube.com/watch?v=2xyf-0mkb6Q

(c) GPS-süsteemis:
määratud asukohaga GPS-vastuvõtja
= a GPS receiver at known fixed location, used to derive correction information for nearby portable GPS receivers
https://www.nj.gov/dep/gis/faqgps.html