Illinois State Police (ISP)

Featured Trunked Systems

• StarCom21 Statewide Illinois P25
  Project 25 Phase II
  
  Statewide Digital APCO 25 Trunked Radio System currently used by the Illinois State Police, other State Agencies, and some county and municipal users.

Illinois State Police

• Statewide
• Aircraft
• Starcom21 - Conventional Channels
• District 1 - Sterling
• District 2 - Elgin
• District Chicago
• District 5 - Joliet
• District 6 - Pontiac
• District 7 - East Moline
• District 8 - Peoria
• District 9 - Springfield
• District 10 - Pesotum
• District 11 - Collinsville
• District 12 - Effingham
• District 13 - DuQuoin
• District 14 - Macomb
• District 15 - Tollway (Downers Grove)
• District 16 - Rockford
• District 17 - LaSalle
• District 18 - Litchfield
• District 19 - Carmi
• District 20 - Pittsfield
• District 21 - Ashkum
• District 22 - Ullin
• District 25 - TRT - Tactical Response Team
• Department of Criminal Investigations - DCI
• Illinois Public Safety Agency Network

Other Law Enforcement

• Illinois Capital Police and Capital Security
• Illinois Department of Natural Resources
• Secretary of State Police (SOS)