Frequency assignment

German frequency assignment document (German: Zuteilungsurkunde)

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),^[1] 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".

Daily impact

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
• Bluetooth
• Wi-Fi
• Zigbee
• 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.

See also

• Radio station
• Frequency administration
• Spectrum management
• Frequency coordinator
• Broadcast license
• Cellular frequencies
• Earth observation satellites transmission frequencies

References / sources

1. ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.18, definition: assignment (of a radio frequency or radio frequency channel)

• International Telecommunication Union (ITU)