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Last Updated: September 18, 2014, 1:45 am
US > Illinois

State of Illinois Radio Reference



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Go to a County


County pages contain radio communications information for all agencies and services within a County

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Illinois State Agencies


Frequencies for Illinois public safety agencies

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Go to Metro Area


Metro area pages are a collection of links to county and agency information for a defined Metro area.

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Illinois Areawide Frequencies


Misc areawide frequencies in Illinois.

Please also see our United States nationwide frequencies page here.

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Areawide Trunking Systems in Illinois


STARCOM21 Statewide Illinois P25 Project 25 Phase II
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