76 Police Departments
23 Sheriff Offices
11 Fire Departments
4 EMS Agencies
Fully Encrypted 90 agencies (70%)
Partially Encrypted 38 agencies (30%)

RadioReference Verification

βœ“
61 Verified Agencies
48%
+
5 Discovered via RadioReference
πŸ“‘
381 Documented Talkgroups
127 encrypted 19 mixed Browse →
Showing 128 of 128 agencies
Agency Name County Type Encryption Scope
McHenry Fire P25 AES-256 Tactical Only
La Salle, Peoria, Sangamon, Ems P25 AES-256 Fully Encrypted
Lake Police P25 AES-256 Tactical Only
Cook Other DMR Enhanced Privacy Fully Encrypted
Lake Police P25 AES-256 Fully Encrypted
Kane Police P25 AES-256 Fully Encrypted
Lake Police P25 AES-256 Tactical Only
Cass Police NXDN Fully Encrypted
St. Clair Police P25 AES-256 Fully Encrypted
Madison Fire P25 AES-256 Specific Channels
McLean Police P25 AES-256 Fully Encrypted
McLean Other P25 AES-256 Fully Encrypted
Will Police P25 ADP Fully Encrypted
Boone Sheriff P25 AES-256 Fully Encrypted
Cass Ems NXDN Scrambling Fully Encrypted
Cass Fire NXDN Scrambling Fully Encrypted
Cook Police P25 AES Fully Encrypted
Christian Sheriff P25 AES-256 Fully Encrypted
Cook Police NXDN Scrambling Fully Encrypted
Will Fire P25 ADP Fully Encrypted
Will Police P25 ADP Fully Encrypted
Will Other P25 ADP Fully Encrypted
Clark Sheriff P25 AES-256 Tactical Only
Grundy Police P25 AES-256 Specific Channels
Cook Sheriff P25 AES-256 Fully Encrypted
Will Police P25 ADP Fully Encrypted
McHenry Fire P25 AES-256 Tactical Only
Vermilion Police DMR Enhanced Privacy Fully Encrypted
Macon Police P25 AES-256 Fully Encrypted
Lake Police P25 AES-256 Fully Encrypted
DuPage Police P25 AES-256 Tactical Only
DuPage Sheriff P25 AES-256 Partially Encrypted
Lake Other P25 AES-256 Fully Encrypted
Madison Fire P25 AES-256 Specific Channels
Kane Police P25 AES-256 Fully Encrypted
Cook Police P25 AES-256 Fully Encrypted
Madison Fire P25 AES-256 Specific Channels
Lake Other P25 AES-256 Fully Encrypted
Madison Police P25 AES-256 Specific Channels
Greene Sheriff NXDN Fully Encrypted
Grundy Sheriff P25 AES-256 Tactical Only
Lake Police P25 AES-256 Tactical Only
Lake Police P25 AES-256 Fully Encrypted
Stephenson Police P25 AES-256 Specific Channels
Cook Ems MOTOTRBO Fully Encrypted
Cook Police P25 AES-256 Fully Encrypted
Lake Police P25 AES-256 Tactical Only
Madison Police P25 AES-256 Fully Encrypted
Lake Police P25 AES-256 Fully Encrypted
Lake Police P25 AES-256 Fully Encrypted
McHenry Fire P25 AES-256 Tactical Only
Statewide Other P25 AES-256 Specific Channels
Statewide Corrections P25 ADP Fully Encrypted
Stateside State P25 AES-256 Fully Encrypted
Statewide Military P25 AES-256 Specific Channels
Statewide Police P25 AES-256 Tactical Only
McLean Police P25 AES-256 Fully Encrypted
Statwide Other P25 AES-256 Fully Encrypted
Multiple Other P25 DES-OFB Fully Encrypted
Lake Police P25 AES-256 Tactical Only
Morgan Police NXDN Fully Encrypted
Kanakakee Hospital P25 AES-256 Fully Encrypted
Kanakakee Police P25 AES-256 Tactical Only
Cook Police P25 AES-256 Fully Encrypted
Lake Police P25 AES-256 Fully Encrypted
Lake Fire P25 AES-256 Fully Encrypted
Lake Sheriff P25 AES-256 Partially Encrypted
Lake Police P25 AES-256 Tactical Only
Lake Police P25 AES-256 Tactical Only
Lake Police P25 AES-256 Tactical Only
Lake Police P25 AES-256 Tactical Only
Lake Police P25 AES-256 Tactical Only
Logan Sheriff P25 AES Fully Encrypted
Statewide Other P25 AES-256 Fully Encrypted
Macon Sheriff P25 AES-256 Fully Encrypted
McHenry Sheriff P25 AES-256 Tactical Only
McHenry Other P25 AES-256 Fully Encrypted
McHenry Fire P25 AES-256 Fully Encrypted
McHenry Sheriff P25 AES-256 Fully Encrypted
McHenry Sheriff Unknown Tactical Only
McLean Sheriff P25 AES-256 Fully Encrypted
Grundy Police P25 AES-256 Specific Channels
Monroe Sheriff P25 AES-256 Fully Encrypted
Morgan Sheriff NXDN Fully Encrypted
Grundy Police P25 AES-256 Specific Channels
Cook Police P25 AES-256 Fully Encrypted
Lake Police P25 AES-256 Tactical Only
DuPage Police P25 AES-256 Specific Channels
Cook Police P25 AES-256 Fully Encrypted
McLean Police P25 AES-256 Fully Encrypted
Cook Police P25 AES-256 Fully Encrypted
Cook Police P25 AES-256 Fully Encrypted
Cook Police P25 AES-256 Fully Encrypted
Cook Police P25 AES-256 Fully Encrypted
Cook Police P25 AES-256 Fully Encrypted
Cook Police P25 AES-256 Fully Encrypted
Lake Police P25 AES-256 Fully Encrypted
Peoria Police P25 AES-256 Fully Encrypted
Lake Police P25 AES-256 Fully Encrypted
Winnebago Police P25 ADP Fully Encrypted
Lake Police P25 AES-256 Fully Encrypted
Lake Police P25 AES-256 Fully Encrypted
Lake Police P25 AES-256 Fully Encrypted
Sangamon Sheriff P25 AES-256 Specific Channels
Schuyler Sheriff NXDN Fully Encrypted
Statewide Police P25 AES-256 Specific Channels
Grundy Police P25 AES-256 Fully Encrypted
Shelby Sheriff P25 AES-256 Fully Encrypted
Cook Police P25 AES-256 Fully Encrypted
Cook and Will Police P25 ADP Fully Encrypted
Kane Police P25 AES-256 Fully Encrypted
Sangamon Police P25 AES-256 Fully Encrypted
St. Clair Sheriff P25 AES-256 Fully Encrypted
St. Clair Sheriff P25 AES-256 Fully Encrypted
Madison Police P25 AES-256 Specific Channels
Madison Police P25 AES-256 Fully Encrypted
Vermilion Sheriff DMR Enhanced Privacy Fully Encrypted
Lake Police P25 AES-256 Tactical Only
Lake Police P25 AES-256 Fully Encrypted
Lake Fire P25 AES-256 Fully Encrypted
Lake Police P25 AES-256 Fully Encrypted
Winnebago Sheriff P25 ADP Fully Encrypted
Cook Police P25 AES-256 Fully Encrypted
Cook Police P25 AES-256 Fully Encrypted
Dekalb Corrections P25 AES-256 Fully Encrypted
Dekalb Police P25 AES-256 Fully Encrypted
Henderson Police P25 AES-256 Fully Encrypted
Jefferson Police P25 AES-256 Fully Encrypted

Related Case Study

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Fight Encryption in Illinois

Join the movement to restore transparency to public safety communications.

Take Action for Transparency

Your voice matters. Here are concrete ways to advocate for open police communications in your community.

πŸ“§

Contact Your Representatives

Use our templates to email your local officials about police radio encryption policies.

Get Started
πŸ“š

Read Case Studies

See how encryption has affected real communities - from Highland Park to Chicago.

View Cases
πŸ“’

Spread Awareness

Share evidence about police radio encryption with your network and community.

πŸ“Š

See the Evidence

Review the facts, myths, and research on police radio encryption.

View Evidence
🎀

Public Testimony

Learn how to speak effectively at city council and public safety meetings.

Prepare to Speak
πŸ“₯

Download Resources

Get FOIA templates, talking points, and materials for advocacy.

Access Toolkit

Take Action for Transparency

Your voice matters. Here are concrete ways to advocate for open police communications in your community.

πŸ“§

Contact Your Representatives

Use our templates to email your local officials about police radio encryption policies.

Get Started
πŸ“š

Read Case Studies

See how encryption has affected real communities - from Highland Park to Chicago.

View Cases
πŸ“’

Spread Awareness

Share evidence about police radio encryption with your network and community.

πŸ“Š

See the Evidence

Review the facts, myths, and research on police radio encryption.

View Evidence
🎀

Public Testimony

Learn how to speak effectively at city council and public safety meetings.

Prepare to Speak
πŸ“₯

Download Resources

Get FOIA templates, talking points, and materials for advocacy.

Access Toolkit