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  2. Tennelec - Wikipedia

    en.wikipedia.org/wiki/Tennelec

    The advantage was that the system could be set up to monitor different sets of frequencies, e.g., police one night, fire departments the next. The first scanner allowing direct entry of decimal frequencies on a keypad, [3] was the Tennelec MCP-1. [4] [5] The scanner was released at the Winter 1976 Consumer Electronics Show in Chicago.

  3. Radio scanner - Wikipedia

    en.wikipedia.org/wiki/Radio_scanner

    An Icom IC-R5 hand-held scanner A GMRS radio that also has scanning capabilities. A scanner (also referred to as a radio scanner) is a radio receiver that can automatically tune, or scan, two or more discrete frequencies, stopping when it finds a signal on one of them and then continuing to scan other frequencies when the initial transmission ceases.

  4. Trunked radio system - Wikipedia

    en.wikipedia.org/wiki/Trunked_radio_system

    Trunking is used by many government entities to provide two-way communication for fire departments, police and other municipal services, who all share spectrum allocated to a city, county, or other entity. A secondary benefit of a trunking radio system is the ease with which it can accommodate radio interoperability and with proper planning ...

  5. Knowledge Is Power — Stay Informed With the Best Police Scanners

    www.aol.com/news/knowledge-power-stay-informed...

    These gadgets can help you listen to police, fire, weather, racing and marine radio bands. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290 ...

  6. Public access to Honolulu police and fire scanners to end

    www.aol.com/news/public-access-honolulu-police...

    Jun. 8—The public's long-standing access to routine radio communications by Honolulu police and firefighters is coming to an end as the city nears completion of a $15 million system overhaul ...

  7. Johnson County police to encrypt radio scanners, sparking ...

    www.aol.com/johnson-county-police-encrypt-radio...

    “Beginning on January 23, 2024, the following Johnson County police agencies will begin full encryption of their radio communications.” So began a media release sent out on Dec. 21, the ...

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