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».
Every day, users rely on assignment of frequencies for efficient use of such devices as:
- cell phone
- cordless phone
- garage door opener
- car key remote control
- broadcast television and audio
- Standard time broadcast
- vehicle-speed radar, air traffic radar, weather radar
- mobile radio
- Global Positioning System (GPS) navigation
- satellite TV broadcast reception; also backend signal dissemination
- Microwave oven
- RFID devices such as active badges, passports, wireless gasoline token, no-contact credit-cards, and product tags
- toll-road payment vehicle transponders
- Citizen's band radio and Family Radio Service
- Radio control, including Radio-controlled model aircraft and vehicles
- wireless microphones and musical instrument links
Frequency assignment is also a special term, used by national frequency administrations. For other terms see table below.
|ITU languages||ITU RR|
|Regions or countries||allotisement
References / sources
- ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.18, definition: «assignment (of a radio frequency or radio frequency channel)