Police Department Partially Encrypted

Rockford Police

Winnebago, Illinois

What you can do right now

Encryption Details

Encryption Type P25 ADP
Scope Some talkgroups encrypted (80% per RadioReference data); others remain in the clear.
Technical Details P25 ADP

Verified Talkgroup Data

Verified Mar 6, 2026 Low confidence
5 Total Talkgroups
4 Encrypted
1 Unencrypted
80% Encrypted
Radio System: Diga-Talk, STARCOM21 Statewide Illinois
View 4 talkgroups
DEC Alpha Tag Description Status
1717 Winn Law 1717 Rockford Police/Winnebago Sheriff 1717 Encrypted
1725 Winn Law 1725 Rockford Police/Winnebago Sheriff 1725 Encrypted
1719 Winn Law 1719 Rockford Police/Winnebago Sheriff 1719 Encrypted
1720 Winn Law 1720 Rockford Police/Winnebago Sheriff 1720 Encrypted

Verification Status

We do have per-talkgroup data for Rockford Police from the RadioReference API, and used it to set the encryption scope shown above — but no additional human-reviewed source (a live feed check or a dated news account) has been recorded for this record, so treat it as a data-quality correction rather than an independently confirmed verification. Check the live RadioReference database directly for current status.

If you monitor Rockford Police directly or have more current information, the fastest way to fix this is to update the RadioReference Wiki entry — our data pulls from there and from the RadioReference API on a regular refresh cycle.

Shared Radio System

Winnebago County, Illinois runs Diga-Talk / STARCOM21 Statewide Illinois as shared infrastructure: 1 agencies, Rockford Police included, ride the same system and inherit the same encryption status rather than each having made a separate call.

Winnebago County Context

Winnebago County is a mixed picture: 1 of 2 agencies we track here are fully encrypted (50%), which means some neighboring departments are still audible on a scanner.

What This Means

Our records list a mix here: some talkgroups encrypted, others not. The listing is unverified, so confirm what is audible at RadioReference.

See encryption status nationwide Interactive map showing which US police departments have encrypted their radios. Open the encryption map →

Frequently Asked Questions

Is Rockford Police radio encrypted?

Our database lists Rockford Police as using P25 ADP encryption, though this listing is unverified. Our records list a mix here: some talkgroups encrypted, others not. The listing is unverified, so confirm what is audible at RadioReference.

Can I listen to Rockford Police on a police scanner?

Possibly. Our database lists Rockford Police as encrypting some of its talkgroups while leaving others open, which would leave some channels accessible. The listing is unverified — check RadioReference for specific talkgroup status.

Why do agencies like Rockford Police encrypt their radio?

Agencies cite officer safety and operational security. Those are assertions rather than findings — no local evidence is typically produced — while the effects are concrete and land straight away on anyone who relied on hearing Rockford Police to know what was happening nearby.

Can Winnebago County reverse the encryption decision?

Nothing technical prevents it. Rockford Police operates encrypted because someone decided it should, and decisions of that kind get revisited when councils hear sustained, organised pressure rather than isolated complaints.

What can I do about Rockford Police encryption?

Three things carry weight, in this order: a public-records request for Rockford Police's encryption policy and radio recordings, a turn at the microphone during Winnebago County budget discussions, and finding the other people locally already asking the same question. Individually these are easy to deflect; together they are not.

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