Government agencies divide the radio frequency spectrum into frequency bands that are authorized for specific uses defined geographic regions (such as a city). In the United States, the responsibility ...

Each cell coverage area has one or several transmitters and receivers that communicate with mobile telephones within its area. GSM radio systems operate in a specific frequency band (or frequency ...

This review introduces the innovative application of radio frequency (RF) treatment in fluid and semifluid foods, and it is ...

David Rutledge, California Institute of Technology 'Tom Lee's love of, and deep involvement in, radio-frequency integrated circuits is immediately obvious upon ... for the new generation of RF ...