What is "frequency assignment"

n. 1 (context telecommunications English) An authorization, given by an administration, for a radio station to use a radio frequency or radio frequency channel under specified conditions. 2 (context telecommunications English) The process of authorizing a specific frequency, group of frequencies, or frequency radio band to be used at a certain location under specified conditions, such as bandwidth, power, azimuth, duty cycle, or modulation.

Frequency assignment is the authorization of use of a particular radio frequency.

In Article 1.18 of the International Telecommunication Union´s (ITU) Radio Regulations (RR), the process is defined as "Authorization given by a frequency administration for a radio station to use a radio frequency or radio frequency channel under specified conditions''».