How Does a Radio Scanner Work?
Radio Spectrum Radio scanners are electronic devices that can connect to different signals on the radio spectrum and then transmit audio to the listener of the receiver. Many different organizations broadcast on radio frequencies, including police departments, fire departments, taxis and aircraft. Each group broadcasts on a different frequency, which act almost like television stations. Users can tune to these stations from a radio scanner to hear the associated audio through an included speaker. Programmed Stations Most radio scanners allow users to program certain radio frequencies into the device in order to locate and listen to them easily. When the user selects a frequency to save as a programmed station, the scanner remembers the station’s location on the radio spectrum and then associates that individual station to a designated button on the radio scanner. In addition, users can usually set their radio scanner to automatically scan through programmed stations. Scan Mode If a rad
