17 of 30 Lake County agencies are fully encrypted
30 public safety agencies in Lake County, Illinois have encrypted their radio communications.
Radio systems serving Lake County
- United States Department of Defense (14C)
- STARCOM21 Statewide Illinois
- STARCOM21
- A-Beep - Arlington Heights LTR
Of 117 talkgroups catalogued for Lake County, 67 are encrypted and 50 remain in the clear. A scanner can still receive the unencrypted channels.
29 of 30 records here have been checked against a primary source; 1 has not.
System and talkgroup counts come from this site's agency database and change without notice — confirm current status on RadioReference.
Encryption Technology Used in Lake County
Encrypted Agencies in Lake County
| Agency Name | Type | Encryption | Scope |
|---|---|---|---|
| Antioch Police ✓ | Police | P25 AES-256 | Tactical Only |
| Bannockburn Police ✓ | Police | P25 AES-256 | Fully Encrypted |
| Barrington Police ✓ | Police | P25 AES-256 | Tactical Only |
| Deerfield Police ✓ | Police | P25 AES-256 | Fully Encrypted |
| East Shore Law Enforcement ✓ | Other | P25 AES-256 | Fully Encrypted |
| Grayslake ✓ | Other | P25 AES-256 | Fully Encrypted |
| Gurnee Police ✓ | Police | P25 AES-256 | Tactical Only |
| Fox Lake Police/Foxcomm ✓ | Police | P25 AES-256 | Fully Encrypted |
| Hawthorn Woods Police ✓ | Police | P25 AES-256 | Tactical Only |
| Highland Park Police ✓ | Police | P25 AES-256 | Fully Encrypted |
| Highwood Police ✓ | Police | P25 AES-256 | Fully Encrypted |
| Island Lake Police ✓ | Police | P25 AES-256 | Tactical Only |
| Lake Bluff Police ✓ | Police | P25 AES-256 | Fully Encrypted |
| Lake County Fire | Fire | P25 AES-256 | Fully Encrypted |
| Lake County Sheriff ✓ | Sheriff | P25 AES-256 | Partially Encrypted |
| Lake Forest Police ✓ | Police | P25 AES-256 | Tactical Only |
| Lake Zurich Police ✓ | Police | P25 AES-256 | Tactical Only |
| Libertyville Police ✓ | Police | P25 AES-256 | Tactical Only |
| Lincolnshire Police ✓ | Police | P25 AES-256 | Tactical Only |
| Lindenhurst Police ✓ | Police | P25 AES-256 | Tactical Only |
| Mundelein Police ✓ | Police | P25 AES-256 | Tactical Only |
| Park City Police ✓ | Police | P25 AES-256 | Fully Encrypted |
| Riverwood Police ✓ | Police | P25 AES-256 | Fully Encrypted |
| Round Lake Beach Police ✓ | Police | P25 AES-256 | Fully Encrypted |
| Round Lake Heights Police ✓ | Police | P25 AES-256 | Fully Encrypted |
| Round Lake Park Police ✓ | Police | P25 AES-256 | Fully Encrypted |
| Vernon Hills Police ✓ | Police | P25 AES-256 | Tactical Only |
| Wauconda Police ✓ | Police | P25 AES-256 | Fully Encrypted |
| Waukegan Fire ✓ | Fire | P25 AES-256 | Fully Encrypted |
| Waukegan Police ✓ | Police | P25 AES-256 | Fully Encrypted |
Related Case Studies
Learn more about police radio encryption issues in Illinois.
Frequently Asked Questions
Is Lake County police radio encrypted?
17 of 30 agencies in Lake County, Illinois are fully encrypted (57%), while 13 have partial encryption.
Can I listen to Lake County Sheriff on a scanner?
The Lake County Sheriff's Office has encrypted their radio communications using P25 AES-256. Scanner monitoring of sheriff operations is no longer possible.
How many police departments in Lake County are encrypted?
25 police departments in Lake County have implemented some level of encryption, along with 1 sheriff offices, 2 fire departments, and 0 EMS agencies.
What encryption technology does Lake County use?
The most common encryption type in Lake County is P25 AES-256, used by agencies for secure communications. This encryption blocks public scanner monitoring.
Fight Encryption in Lake County
Join the movement to restore transparency to public safety communications in Lake County, Illinois.