Sheriff's Office Fully Encrypted

McHenry County - North East Regional Communications Center

McHenry, Illinois

How we verified this

As of August 2026 RadioReference lists both NERCOM police dispatch talkgroups as encrypted — 3451 for Fox River Grove, Johnsburg, McCullom Lake and McHenry, and 3459 for Harvard, Marengo, Union and Woodstock — while NERCOM fire dispatch remains in the clear.

Checked against a primary source on 2026-08-09: radioreference.com . Encryption status changes without notice — confirm the current picture on the live RadioReference database before relying on it.

What you can do right now

Encryption Details

Encryption Type P25 AES-256
Scope Police Dispatch for Harvard, Marengo, Union, Woodstock Fox River Grove, Johnsburg, McCullom Lake, McHenry
Technical Details P25 AES-256

Verified Talkgroup Data

Verified Aug 9, 2026
0 Total Talkgroups
0 Encrypted
0 Unencrypted
0% Encrypted
Radio System: STARCOM21 Statewide Illinois

McHenry County Context

McHenry County is a mixed picture: 3 of 8 agencies we track here are fully encrypted (38%), which means some neighboring departments are still audible on a scanner.

What This Means

This agency encrypts all of its radio communications, including routine dispatch. The public, journalists, and even other first responders can't monitor its activity.

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

Frequently Asked Questions

Is McHenry County - North East Regional Communications Center radio encrypted?

Yes. McHenry County - North East Regional Communications Center uses P25 AES-256 encryption. This agency encrypts all of its radio communications, including routine dispatch. The public, journalists, and even other first responders can't monitor its activity.

Can I listen to McHenry County - North East Regional Communications Center on a police scanner?

No. McHenry County - North East Regional Communications Center has fully encrypted their radio communications using P25 AES-256. No consumer scanner can decode encrypted transmissions.

Why did McHenry County - North East Regional Communications Center encrypt their radio?

The standard justification nationwide is officer safety and operational security, regardless of whether a documented local incident ever required it. The tradeoff that follows is consistent too: public oversight drops, and reporters lose the ability to track sheriff's office response as it happens.

Can McHenry County reverse the encryption decision?

Nothing technical prevents it. McHenry County - North East Regional Communications Center 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 McHenry County - North East Regional Communications Center encryption?

Put the question to whoever signs off on McHenry County - North East Regional Communications Center's radio budget: why full encryption rather than a delayed feed or tactical-only channels? File for the recordings and the decision documents alongside it, and link up with neighbours and local reporters in McHenry County so the ask arrives as a group rather than a one-off.

Data source: RadioReference Wiki + RadioReference API (verified)

Checked against a primary source on 2026-08-09 — see "How we verified this" above. Encryption status changes; confirm at RadioReference before relying on it.

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