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Illinois State Police (ISP) / Illinois State Police

Subcategory: Division of Patrol - Statewide

Unique DB ID: 5534

In 2023, ISP switched 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

Subcategory Location Data

Latitude: 39.70719 Longitude: -89.05518 Range: 225 Type: Defined Coverage

Frequencies

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 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