Can I listen to Brockton Police on a police scanner?

No. Brockton Police has fully encrypted their radio communications using P25 DES-OFB. No consumer scanner can decode encrypted transmissions.

Why did Brockton Police encrypt their radio?

Police departments typically cite officer safety and operational security as reasons for encryption. However, encryption also eliminates public oversight, prevents journalists from monitoring police activity, and can harm emergency coordination with other agencies.

Can Plymouth County reverse the encryption decision?

Yes. Encryption is a policy choice, not a technical requirement. Multiple communities have successfully reversed encryption decisions through public pressure, city council advocacy, and coalition building. See our guide on fighting encryption for specific strategies.

What can I do about Brockton Police encryption?

You can: 1) Contact your local elected officials to express concerns, 2) Attend city council meetings during budget discussions, 3) File FOIA requests for radio recordings, 4) Join or build a local coalition advocating for transparency, 5) Support legislation requiring public access to police communications.

Police Department Fully Encrypted

Brockton Police

Q: Is Brockton Police radio encrypted?

Yes. Brockton Police uses P25 DES-OFB encryption. This agency encrypts all of their radio communications, including routine dispatch. The public, journalists, and even other first responders cannot monitor their activities.

Plymouth, Massachusetts

Encryption Details

Encryption Type P25 DES-OFB

Scope Police Secure

Technical Details P25 DES-OFB

Verified Talkgroup Data

Verified Mar 6, 2026 Low confidence

3 Total Talkgroups

1 Encrypted

2 Unencrypted

33% Encrypted

Radio System: Commonwealth Of Massachusetts Interoperable Radio System (CoMIRS), Massachusetts State Police

View 1 talkgroup

DEC	Alpha Tag	Description	Status
3137	BPD 16 COMM	Boston Police Department CH-16 Comm Unit	Encrypted

What This Means

This agency encrypts all of their radio communications, including routine dispatch. The public, journalists, and even other first responders cannot monitor their activities.

Impact on Transparency

Journalists cannot monitor police activity for breaking news or investigative reporting
Community members cannot track police response to incidents in their neighborhood
Researchers cannot study police communication patterns and response times
Other first responders may face interoperability challenges during emergencies

Brockton Police Plymouth, Massachusetts

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Brockton Police

Encryption Details

Verified Talkgroup Data

What This Means

Impact on Transparency

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