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State of Illinois
Agency Frequency/Talkgroup Notes
MABAS (Mutual Aid Box Alarm System)
154.265 Mutual Aid Dispatch and Response
  154.3025 Alternate Mutual Aid Dispatch
  153.830 RED - Low Power TAC for on-scene comms
  154.280 WHITE - Low Power TAC for on-scene comms
  154.295 BLUE - Low Power TAC for on-scene comms
  153.8375 GOLD - Low Power TAC for on-scene comms
  154.2725 BLACK - Low Power TAC for on-scene comms
  154.2875 GRAY - Low Power TAC for on-scene comms
  155.055 IREACH Illinois Radio Emergency Assistance Channel
  155.280 MERCI Ambulance to Hospital
  155.340 MERCI Ambulance to Hospital
  155.400 MERCI Ambulance to Hospital
Illinois State Police (District 7)
All state police now on statewide Starcom21 APCO25 Digital system; Frequencies below are old conventional channels. Local IDOT & DOC are still using conventional channels.
42.340 F1 Base
  42.840 F1 Mobiles
  154.845 F2; This is a simplex system, so mobiles are low-power and won't be heard unless they are very close.
  42.500 Car-to-Car
  155.460 F4
  155.505 Extenders
  39.460 County-State Net
  15-041 Trunked Point-to-Point Channel for communication between area agencies
  155.370 Conventional Point-to-Point Channel for communication between area agencies
  155.475 ISPERN (Illinois State Police Emergency Radio Network)
  09-120 ISPERN is also carried on RACOM's system on this talkgroup
  122.975 Statewide Aircraft Channel
Illinois Division of Criminal Investigation
Conventional Radios
154.905 This is a simplex system, so mobiles are low-power and won't be heard unless they are very close.
  154.950  
  156.000 Statewide Channel; Low-power mobiles
Illinois Department of Conservation
Conventional Radios
42.760  
  151.280  
Illinois Secretary of State's Police
Conventional Radios
39.800  
  151.445  
Illinois Department of Corrections
Conventional Radios
Licensed to the East Moline Correctional Center. Frequencies are listed here.  
Illinois Emergency Management Agency
Conventional Radios
45.440  
  45.160  
  45.280  
  155.025  
Illinois Department of Transportation (District 2)
(Rock Island, Henry, Whiteside Counties)
Conventional Radios
47.140 F1; used primarily in winter months.
  47.340 Mobiles
  47.180 District 3 (Mercer County) Channels; District 2 also holds licenses.
  47.100  
  47.020  
  47.060  


Last Modified: 17-January-2009
Send Comments or Questions to: Jeff@Forret.org