co-frequency radio

  • 121radio source — n. any celestial source of radio frequency radiation, esp. a supernova, an external galaxy, or a quasar …

    English World dictionary

  • 122radio wave — n. any electromagnetic wave at a radio frequency …

    English World dictionary

  • 123radio knife — n a needlelike surgical instrument using high frequency oscillations in the form of a tiny electric arc at the point of cutting through or cutting away tissue and at the same time sterilizing the edges of the wound and sealing cut blood vessels… …

    Medical dictionary

  • 124frequency band — Radio and Television. band2 (def. 9). [1920 25] * * * …

    Universalium

  • 125radio — /ray dee oh /, n., pl. radios, adj., v., radioed, radioing. n. 1. wireless telegraphy or telephony: speeches broadcast by radio. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj. 4. pertaining …

    Universalium

  • 126Radio communication system — A radio communication system send signals by radio. [cite book | title = Wireless Network Performance Handbook | author = Clint Smith, Curt Gervelis | year = 2003 | publisher = McGraw Hill Professional | isbn = 0071406557 | url =… …

    Wikipedia

  • 127Frequency modulation — See also: Amplitude modulation In telecommunications, frequency modulation (FM) conveys information over a carrier wave by varying its frequency (contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its… …

    Wikipedia

  • 128Radio-controlled aircraft — A radio controlled aircraft (often called RC aircraft or RC plane) is a model aircraft that is controlled remotely, typically with a hand held transmitter and a receiver within the craft. The receiver controls the corresponding servos that move… …

    Wikipedia