Frequency assignment



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".

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.

References / sources

 * International Telecommunication Union (ITU)