Radiokäytössä
Radiokäytössä is a Finnish term meaning "in radio use" or "in use on the radio." In the context of Finnish telecommunications and spectrum management, it describes the status of a radio frequency, channel, or band that is currently allocated to and being used by a radio service. The phrase is used in regulatory documents, frequency allocation tables, and informational maps to indicate that the resource is not freely available for new assignments without coordination.
The concept covers a range of services, including broadcasting, mobile and fixed wireless, public safety, amateur
In operational contexts, radiokäytössä can also appear on radio equipment panels or status displays to indicate
See also: spectrum management, frequency allocation, licensing, interference prevention, Traficom (the Finnish Transport and Communications Agency).