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Illinois State Police (ISP) (Illinois)

Last Updated: August 30, 2023, 3:55 pm

All Primary Dispatch/Car-to-Car, etc. operations in all troops are on the StarCom21 P25 Trunked Radio System. (since 11/2/07)

See the WIKI for more information on the ISP Troops/Districts (Maps, Coverage areas, Patrol Zones)

Radio Identifiers WIKI       Troop Map (converting from districts 2023)  PIC     Communications Centers by Troop  PIC  

Category Report

Frequencies

Illinois State Police

Division of Patrol - Statewide

Winter 2022/2023 - ISP is switching from 22 districts to 11 Troops

ISP appears to be switching to VHF/800mhz portables and are also changing mobile extenders back to VHF (in areas where portable coverage is not possible)
ISPERN-Illinois State Police Emergency Radio Network "

Conventional Channels - These frequencies have been moved to the wiki as they appear to no longer (or ever heard) in use.

STARCOM21 Statewide Illinois
Project 25 Phase II		Main Communications system
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
155.475KA5825 BM CSQ ISPERN CSQ ISPERN [HF-1] (statewide Rx) FMN Law Dispatch
155.475KN3600 BM 156 DPL ISPERN D156 ISPERN [HF-1] (statewide Tx) FMN Law Dispatch
155.475KA5825 BM 67.0 PL ISPERN 67.0 ISPERN [HF-1] (Some Districts Tx) FMN Law Dispatch
155.475 B 71.9 PL ISPERN 71.9 ISPERN [HF-1] (Districts C, 2, 5, 15, 17, 21) FMN Law Dispatch
155.055KA5825 BM CSQ IREACH CSQ Illinois Radio Emergency Assistance Channel [HF-3] (Legacy/Rx) FMN Interop
155.055KA5825 M 156 DPL IREACH D156 Illinois Radio Emergency Assistance Channel [HF-3] (Tx) FMN Interop
155.460KA5825 BM CSQ ISP S/W HF-4 HF4 - Channel 7 / To Ambulances on 155.34 FMN Law Talk
155.340 M 225.7 PL MERCI1 225.7 Ambulance-to-ISP District for Communicate (District receives this freq) [ISP HF-6] FMN EMS-Tac
155.505KA5825 M CSQ ISP VHF MX CSQ Mobile Extenders to SC21 FMN Law Dispatch
155.505KA5825 M 152 DPL ISP VHF MX D152 Mobile Extenders to SC21 (D16) FMN Law Dispatch
155.505KA5825 M 155 DPL ISP VHF MX D155 Mobile Extenders to SC21 (D13/D18/State Fair) FMN Law Dispatch
155.505KA5825 M 293 NAC ISP VHF MX N293 Mobile Extenders to SC21 (NAC varies per car) P25 Law Dispatch
173.075WNVD283 BM ISP Lo-Jac Lo Jac / Forensic Services (Metro Chicago) Telm Data
Troop 1 - Rockford

D16-Jo Daviess, Stephenson, Winnebago; D1-Carroll, Ogle, Whiteside, Lee

Troop 2 - Moline

D7-Rock Island, Mercer, Henry; D17-Bureau, Putnam, LaSalle

Troop 3 - Chicago

District Chicago-Cook; D2-McHenry, Lake, DeKalb, Kane, DuPage; D5-Kendall, Will, Grundy, and Boone from D16
STARCOM21 usage: See the wiki for more information

Troop 4 - Peoria

D7-Knox; D8-Stark, Marshall, Peoria, Woodford, Tazewell; D14-Henderson, Warren, Hancock, McDonough, Fulton

Troop 5 - Bloomington

D6-Livingston, McLean, Dewitt; D21-Kankakee, Ford, Iroquois

Troop 6 - Springfield

D20-Adams, Schuyler, Brown, Pike, Scott; D9-Mason, Logan, Cass, Menard, Morgan, Sangamon, Christian

Troop 7 - Champaign

D10-Macon, Piatt, Champain, Vermillion, Shelby, Moutlrie, Douglas, Coles, Edgar

Troop 8 - Collinsville (Metro East)

D18-Calhoun, Greene, Jersey, Macoupin, Montgomery; D11-Madison, Bond, St. Clair, Clinton, Monroe; D13-Washington

155.37 CSQ, Point-to-Point is used for communications with agencies in St Louis MO area
ISPERN talkgroup appears to repeat mobile units using a D156 or 67.0 PL, but not CSQ (8/22)
700 MHz mobile extenders may no longer be in use, as portable radios are now using VHF/700/800 (155.505/151.16 in some areas for MX)

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
155.505KA5825 M 132 NAC ISP VHF MX N132 Mobile Extenders to SC21 P25 Law Dispatch
Troop 9 - Effingham

D12-Cumberland, Clark, Fayette, Effingham, Jasper, Crawford, Marion, Clay, Richland, Lawrence; D19-Wayne, Edwards, Wabash, Hamilton, White

Troop 10 - Carbondale

D13-Jefferson, Randolph, Perry, Franklin, Jackson, Williamson; D19-Saline, Gallatin; D22-Union, Johnson, Pope, Hardin, Alexander, Pulaski, Massac

Troop 15 - Tollway (Downers Grove)

Former District 15 - Tollway (Downers Grove)

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
154.695KSB989 BM ISP D15 A2 District 2 (A2) FMN Law Talk
154.935KSB242 BM ISP D15 A3 District 3 (A3) FMN Law Talk
154.680KSB233 BM ISP D15 A4 District 4 (A4) FMN Law Talk
154.920KA5825 BM ISP D15 A5 District 5 (A5) FMN Law Tac
155.520 BM ISP D15 A6 District 16 (A-6) [No License] FMN Law Tac
154.650KA5825 M 754 DPL ISP D15c2cB4 Car-to-Car (B4) FMN Law Tac
District 1 - Sterling
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.16875WPTZ798 M 155 DPL ISP D1 MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.16875WPTZ798 M 412 DPL ISP D1 MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.680KA5825 M 110.9 PL ISP D1 HF2M Dispatch: Mobiles-to-Base (Old) FMN Law Dispatch
154.680KSA774 B 67.0 PL ISP D1 HF2B Dispatch: Base-to-Mobiles (Old) FMN Law Dispatch
District 2 - Elgin
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.19375WPTZ798 M 156 DPL ISP D2 MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.19375WPTZ798 M 412 DPL ISP D2 MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.695KSB233 B 67.0 PL ISP D2 HF-2B Dispatch: Base-to-Mobiles / Scales FMN Law Dispatch
154.695KA5825 M 110.9 PL ISP D2 HF-2M Dispatch: Mobiles-to-Base / Scales FMN Law Dispatch
District Chicago
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.19375WPTZ798 M 156 DPL ISP DCh MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.19375WPTZ798 M 412 DPL ISP DCh MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.935KSB242 BM ISP DCh HF-2 Special Details/Alternate/Back-up FMN Law Tac
155.460KSB231 BM CSQ ISP S/W HF-4 Car-to-Car / contact with District 15-Tollways FMN Law Tac
District 5 - Joliet
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.21875WPTZ798 M 162 DPL ISP D5 MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.21875WPTZ798 M 413 DPL ISP D5 MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.920KSB230 BM CSQ ISP D5 HF-2 Dispatch (Old) FMN Law Dispatch
District 6 - Pontiac
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.16875WPTZ798 M 155 DPL ISP D6 MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.16875WPTZ798 M 412 DPL ISP D6 MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.680KSA776 BM CSQ ISP D6 HF-2 Dispatch (Old) FMN Law Dispatch
District 7 - East Moline
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.21875WPTZ798 M 162 DPL ISP D7 MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.21875WPTZ798 M 413 DPL ISP D7 MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.845KSB229 B 67.0 PL ISPD7 HF-2B Dispatch: Base-to-Mobiles (Old) FMN Law Dispatch
District 8 - Peoria
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.19375WPTZ798 M 156 DPL ISP D8 MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.19375WPTZ798 M 412 DPL ISP D8 MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
155.520KSB228 B 205 DPL ISP D8 HF2B District 8: Alerts / Broadcasts FMN Law Dispatch
District 9 - Springfield
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.21875WPTZ798 M 162 DPL ISP D9 MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.21875WPTZ798 M 413 DPL ISP D9 MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.935KNNU245 BM 223 DPL ISP D9 Alerts District 9: Alerts / Broadcasts FMN Law Dispatch
154.650KA5825 M 754 DPL ISP D9 Mob Mobile Units (12/16) FMN Law Tac
156.000KS3183 M CSQ ISP D9 U2U Unit-to-Unit (licensed only to ISP District 9) FMN Law Tac
460.350WQIG495 RM 151.4 PL ISPHQ Maint ISP Headquarters - Building Maintenance (801 S Seventh - Spfld) FMN Public Works
460.450WQIG495 RM 071 DPL ISPHQ Clean ISP Headquarters - Maintenance / Janitorial (801 S Seventh - Spfld) FMN Public Works
857.7375WNMF342 B 82.5 PL ICJIA Data ICJIA Data FM Data
District 10 - Pesotum
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.46875WPTZ798 M 165 DPL ISP D10 MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.46875WPTZ798 M 423 DPL ISP D10 MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.695KSA464 B 251 DPL ISP D10 HFB2 Dispatch: Champaign/Urbana area (no 67.0 PL as of 9/10) FMN Law Dispatch
District 11 - Collinsville

155.37 CSQ, Point-to-Point is used for communications with agencies in St Louis MO area
ISPERN talkgroup appears to repeat mobile units using a D156 or 67.0 PL, but not CSQ (8/22)
700 MHz mobile extenders may no longer be in use, as portable radios are now using VHF/700/800 (155.505 in some areas for MX)

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.21875WPTZ798 M 162 DPL ISP D11 MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.21875WPTZ798 M 413 DPL ISP D11 MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.665KSB235 B 306 DPL ISP D11 Alert District 11: Alerts / Broadcasts (in use 4/21) FMN Law Dispatch
155.370KSB235 B CSQ ISP Pt-to-Pt Point-to-Point {Link to St Louis / MO State} FMN Law Talk
155.055KSB235 B 67.0 PL IREACH 67.0 Illinois Radio Emergency Assistance Channel (Patched to D11 SC21 Talkgroup) FMN Interop
775.85625WPTZ798 M 61F NAC 7TAC89 61F Operations (heard Madison Co) P25 Law Tac
District 12 - Effingham
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.19375WPTZ798 M 156 DPL ISP D12 MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.19375WPTZ798 M 412 DPL ISP D12 MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.680KSB236 B 315 DPL ISP D12 HF2A District 12: Alerts / Broadcasts (in use 6/14) FMN Law Dispatch
154.680KSB236 B 412 DPL ISP D12 HF2B District 12: Alerts / Broadcasts (still in use?) FMN Law Dispatch
District 13 - DuQuoin
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
155.505KA5825 M 173 NAC ISP D13 VHF MX Mobile Extenders (to SC21) P25 Law Dispatch
764.46875WPTZ798 M 165 DPL ISP D13 MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.46875WPTZ798 M 423 DPL ISP D13 MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.935KSB234 B 371 DPL ISP D13 Alert District 13: Alerts / Broadcasts [HF-2] (was 413 DPL) FMN Law Dispatch
855.4625WQCP383 BM ICJIA DataDQ Illinois Criminal Justice Information Authority: Alerts Network (CSQ; 7/15) Telm Data
District 14 - Macomb
STARCOM21 Statewide Illinois
Project 25 Phase II		Dispatched by Springfield on D20 talkgroups (as of 12/13)
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.16875WPTZ798 M 155 DPL ISP D14 MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.16875WPTZ798 M 412 DPL ISP D14 MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.695KSA775 B 411 DPL ISP D14 HF2B Alerts / Broadcasts FMN Law Dispatch
District 16 - Rockford
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.21875WPTZ798 M 162 DPL ISP D16 MX-O Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.21875WPTZ798 M 413 DPL ISP D16 MX-I Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
155.520KSF947 BM 110.9 PL ISP D16 HF2 Dispatch [HF-2] (Old) FMN Law Dispatch
District 17 - LaSalle
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.46875WPTZ798 M 165 DPL ISP D17 MX-O Vehicular Repeater - Out (to SC21) FMN Law Dispatch
794.46875WPTZ798 M 423 DPL ISP D17 MX-I Vehicular Repeater - In (to SC21) FMN Law Dispatch
155.460KEO371 BM 67.0 PL ISP D17 HF4 67.0 HF-4 (back-up to Starcom) FMN Law Dispatch
155.445KEO371 BM ISP D17 Alert Alerts / Broadcasts (D662/D701?) FMN Law Dispatch
District 18 - Litchfield
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.16875WPTZ798 M 155 DPL ISP D18 MX-Out Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.16875WPTZ798 M 412 DPL ISP D18 MX-In Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
155.445WQEP339 BM 516 DPL ISP D18 HF-2 Back-Up to STARCOM21 [HF-2] FMN Law Dispatch
151.160KA2864 M 204 NAC ISP D18 DVRS A Mobile Extenders (to SC21) P25 Law Dispatch
151.160KA2864 M 240 NAC ISP D18 DVRS B Mobile Extenders (to SC21) (Scale) P25 Law Dispatch
953.950WQAX857 F ISP D18 MW BvrDm Microwave Link (Nilwood to Beaver Dam) Telm Data
957.550WQAX855 F ISP D18 MW Nilwd Microwave Link (Beaver Dam to Nilwood) Telm Data
District 19 - Carmi
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.16875WPTZ798 M 155 DPL ISP D19 MX-Out Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.16875WPTZ798 M 412 DPL ISP D19 MX-In Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.920KSI983 B 624 DPL ISP D19 HF-2 Alerts / Back-Up to SC21 FMN Law Dispatch
District 20 - Pittsfield
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.19375WPTZ798 M 156 DPL ISP D20 MX-Out Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.19375WPTZ798 M 412 DPL ISP D20 MX-In Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.680KGY335 B 662 DPL ISP D20 HF-2 District 20: Alerts / Broadcasts FMN Law Dispatch
District 21 - Ashkum
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.19375WPTZ798 M 156 DPL ISP D21 MX-Out Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.19375WPTZ798 M 412 DPL ISP D21 MX-In Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
District 22 - Ullin
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
764.21875WPTZ798 M 162 DPL ISP D22 MX-Out Vehicular Repeater/Mobile Extender - Out (to SC21) FMN Law Dispatch
794.21875WPTZ798 M 413 DPL ISP D22 MX-In Vehicular Repeater/Mobile Extender - In (to SC21) FMN Law Dispatch
154.680KSG291 BM 754 DPL ISP D22 HF-2 District 22: Alerts / Broadcasts FMN Law Dispatch
District 25 - TRT - Tactical Response Team
STARCOM21 Statewide Illinois
Project 25 Phase II		Main Communications system; non-dispatch activities are probably encrypted
Department of Criminal Investigations - DCI
STARCOM21 Statewide Illinois
Project 25 Phase II		Most communications are on encrypted talkgroups. Dispatch will be heard on District talkgroups. VHF use is very limited.
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
154.905KA5825 M CSQ ISP DCI HF-2 Operations [HF-2] FMN Law Tac
154.950KA5825 M CSQ ISP DCI HF-3 Operations [HF-3] FMN Law Tac
154.710KA5825 M CSQ ISP DCI 4.71 Operations FMN Law Tac
154.920KA5825 M CSQ ISP DCI 4.92 Operations FMN Law Tac
Illinois Public Safety Agency Network

formerly licensed as Illinois Criminal Justice Information Authority

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
857.7375WQME309 RM IPSAN Flora Mobile Terminal Data - Flora (Clay) (CW-ID) Telm Data
859.7625WQKJ624 RM IPSAN Lakewd Mobile Terminal Data - Lakewood (Shelby) Telm Data
855.4625WQCP383 BM IPSAN Marion Mobile Terminal Data - Marion (Jefferson) Telm Data
858.4625WQKJ624 RM IPSAN Newton Mobile Terminal Data - Newton (Jasper) Telm Data
857.7375WNYS419 BM IPSAN Pesotm Mobile Terminal Data - Pesotum (Champaign) Telm Data
856.0625WQKJ624 RM IPSAN Rochel Mobile Terminal Data - Rochelle (Ogle) Telm Data
855.9625WPMF678 BM ISPAN Danvil Mobile Terminal Data - Danville (Vermilion) Telm Data

Other Law Enforcement

Illinois Department of Natural Resources

See IDNR Page

STARCOM21 Statewide Illinois
Project 25 Phase II		Main Communications system
Secretary of State Police (ISSP)
STARCOM21 Statewide Illinois
Project 25 Phase II		Main Communications system