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Statewide Interoperability Executive Committee
The Illinois Statewide Interoperability Executive Committee (SIEC) is comprised of representatives from state agencies and first responder organizations The purpose of the SIEC is to improve public safety communications interoperability in the State of Illinois by managing all public safety interoperable communications within the State of Illinois pursuant to the authority given by ILCS 2615/10 (Public Safety Radio Interoperability).
SIEC Approved Documents
Illinois Statewide Interoperability Template (SWIT)
The Illinois Statewide Interoperability Template (SWIT) is a standardized radio template to facilitate effective interagency communications across Illinois. Approved by the SIEC. The SWIT should be programed in to radios by December 31, 2025
Illinois Statewide Interoperability Template
Programming Guides
- EMA/Public Works/DOT Agency Radios - updated 03/2025
- EMS Only Agency Radios - updated 03/2025
- Fire/EMS Radios - updated 03/2025
- Law Enforcement Radios - updated 03/2025
- State Cache Radios - updated 03/2025
- TERT/PSAP Agency Radios
Visor Card
- Statewide Interoperability Template Guidance Memo to Public Safety Officials and Radio Vendors
This guidance provides overview of the State's transition from the Illinois Terrorism Task Force (ITTF) Template to the Statewide Interoperability Template (SWIT).
National Weather Service STARCOM21 Zone Guidance
This guidance provides information on the procedures necessary to effectively operate on the STARCOM21 National Weather Service (NWS) Zone. The NWS Zone is a part of the Statewide Interoperability Template (SWIT). The NWS Zone monitoring will start on December 31, 2025.
Illinois SIEC and Motorola Cache Radio Program
Illinois SIEC approved on March 19, 2026, the following cache radio worksheet is intended to provide the SIEC and Motorola with a list detailing the Starcom21 radio ID, serial number, radio type, manufacture, alias, model, programming template for $0 cache radios.
Documentation for Minimum Radio Requirements
The document explains the minimum requirements for any field subscriber radio added to the STARCOM21 network.
Meeting Minutes/Agenda
Meetings occur on the Third Thursday of the month, @ 10 AM. Meetings are held at the IDOT Hanley Building, Station 1 Conference Room, 2300 S. Dirksen Parkway, Springfield.
Contact
24/7 contact for communications resource requests, IEMA-OHS Operations Center: 217-782-7860
Division of Statewide Interoperability email: ema.swic@illinois.gov (not monitored 24/7)