EntityQ902174· pop 25· linked from 609 articlesradio spectrumSign in to savepart of the electromagnetic spectrum from 3 Hz to 3000 GHz (3 THz) which includes those frequencies used in radio communication or radarConnectionsradioEntityextremely high frequencyEntityterahertz radiationEntityfrequencyEntitytelecommunicationsEntityelectromagnetic radiationEntityinfrared radiationEntityhertzEntityInternational Telecommunication UnionEntityelectromagnetic spectrumEntityfaxEntitycommunication protocolEntityInstitute of Electrical and Electronics EngineersEntityamateur radioEntitywireless communicationEntitycellular networkEntityInformation AgeEntityultra high frequencyEntityvery high frequencyEntityvery low frequencyEntityCategoriesRadio spectrum