197 Police Departments
65 Sheriff Offices
74 Fire Departments
17 EMS Agencies
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About P25 ADP

Analog-to-Digital Privacy encryption used on some P25 systems. A proprietary Motorola encryption standard.

Technical Details

Advanced Digital Privacy (ADP) or Rolling Code encryption. Motorola proprietary standard often used with older ASTRO systems.

Common Usage

Agencies using Motorola ASTRO systems

States with Most P25 ADP Agencies

All P25 ADP Agencies

Browse all 381 agencies using this encryption standard.

Agency State County Type Scope
Palos Verdes Estates Police CA Los Angeles police Fully Encrypted
Allentown Police PA Lehigh police Fully Encrypted
Somerset County Police PA Somerset police Fully Encrypted
Somerset County Sheriff PA Somerset sheriff Fully Encrypted
Fairview Police NJ Bergen police Fully Encrypted
Livingston Fire NJ Essex fire Fully Encrypted
Livingston Police NJ Essex police Fully Encrypted
Millburn Police NJ Essex police Fully Encrypted
Parsippany-Troy Hills Township Police NJ Morris police Specific Channels
Plainfield Police NJ Union police Fully Encrypted
Union Township Police NJ Union police Fully Encrypted
West New York NJ Hudson other Fully Encrypted
Allegan County Police MI Allegan police Tactical Only
Allegan County Sheriff MI Allegan sheriff Partially Encrypted
Argentine Township Fire MI Genesee fire Partially Encrypted
Argentine Township Police MI Genesee police Fully Encrypted
Atlas Township Fire MI Genesee fire Partially Encrypted
Baker College Police MI Genesee police Fully Encrypted
Bishop International Airport Authority MI Genesee airport Fully Encrypted
Burton Township Fire MI Genesee fire Partially Encrypted
Burton Township Police MI Genesee police Fully Encrypted
Canton Township Dept. of Public Safety MI Wayne other Fully Encrypted
City of Hamtramck MI Wayne other Fully Encrypted
City of Livonia MI Wayne other Fully Encrypted
Clayton Township Police MI Genesee police Fully Encrypted
Clinton Township Police MI Macomb police Fully Encrypted
Clio City Police MI Genesee police Fully Encrypted
Clio Township Fire MI Genesee fire Partially Encrypted
Davidson City Police MI Genesee police Fully Encrypted
Davidson-Richfield Area Fire Authority MI Genesee fire Partially Encrypted
Dearborn Police MI Wayne police Tactical Only
Dearborn Heights Police MI Wayne police Fully Encrypted
Eaton County Police MI Eaton police Tactical Only
Eaton County Sheriff MI Eaton sheriff Fully Encrypted
East Grand Rapids Police MI Kent police Fully Encrypted
Fenton Township Fire MI Genesee fire Partially Encrypted
Fenton Township Police MI Genesee police Fully Encrypted
Flint Police MI Genesee police Fully Encrypted
Flint Township Fire MI Genesee fire Partially Encrypted
Flint Township Police MI Genesee police Fully Encrypted
Flushing Township Fire MI Genesee fire Partially Encrypted
Flushing Township Police MI Genesee police Fully Encrypted
Forest Township Fire MI Genesee fire Partially Encrypted
Gaines Township Fire MI Genesee fire Partially Encrypted
Genesee County Sheriff MI Genesee sheriff Fully Encrypted
Genesee Township Fire MI Genesee fire Partially Encrypted
Genesee Township Police MI Genesee police Fully Encrypted
Grand Blanc Fire MI Genesee fire Partially Encrypted
Grand Blanc Police MI Genesee police Fully Encrypted
Grand Haven City Police MI Ottawa police Fully Encrypted
Grand Rapids City Police MI Kent police Fully Encrypted
Grandville Police MI Kent police Fully Encrypted
Hamtramck Fire MI Wayne fire Fully Encrypted
Hamtramck Police MI Wayne police Fully Encrypted
Jackson City Police MI Jackson police Tactical Only
Kent County Sheriff MI Kent sheriff Fully Encrypted
Kentwood Police MI Kent police Fully Encrypted
Lapeer County EMS MI Lapeer ems Fully Encrypted
Lapeer County Fire MI Lapeer fire Fully Encrypted
Lapeer County Sheriff MI Lapeer sheriff Fully Encrypted
Linden City Fire MI Genesee fire Partially Encrypted
Linden City Police MI Genesee police Fully Encrypted
Livonia Police MI Wayne police Fully Encrypted
Lowell Police MI Kent police Fully Encrypted
Manistee County Police MI Manistee police Fully Encrypted
Marquette County Police MI Marquette police Fully Encrypted
Midland County Fire MI Midland fire Fully Encrypted
Midland city and county Police MI Midland police Fully Encrypted
Montrose Township Fire MI Genesee fire Partially Encrypted
Montrose Township Police MI Genesee police Fully Encrypted
Mount Morris Township Fire MI Genesee fire Partially Encrypted
Mount Morris Township Police MI Genesee police Fully Encrypted
Mott Community College Police MI Genesee police Fully Encrypted
Mundy Township Fire MI Genesee fire Partially Encrypted
Ottawa County Interoperability MI Ottawa sheriff Fully Encrypted
Ottawa County Sheriff MI Ottawa sheriff Specific Channels
Patriot Ambulance Service MI Genesee ems Fully Encrypted
Plymouth Township Fire MI Wayne fire Fully Encrypted
Richfield Township Police MI Genesee police Fully Encrypted
Rockford Police MI Kent police Fully Encrypted
Schoolcraft College MI Wayne university Fully Encrypted
Sparta Police MI Kent police Fully Encrypted
Swartz Creek Fire MI Genesee fire Partially Encrypted
University of Michigan MI Genesee university Fully Encrypted
Walker Police MI Kent police Fully Encrypted
Wyoming Police MI Kent police Fully Encrypted
Washtenaw County Interoperability MI Washtenaw sheriff Fully Encrypted
Cape Coral Police FL Lee police Fully Encrypted
Citrus County Sheriff FL Citrus sheriff Fully Encrypted
Jacksonville Fire/Rescue FL Duval fire Fully Encrypted
Kissimmee Police Department FL Osceola police Fully Encrypted
Marion County Fire/EMS FL Marion fire Partially Encrypted
Orange County Jail FL Orange corrections Fully Encrypted
Osceola County Sheriff's Office FL Osceola sheriff Fully Encrypted
St. Cloud Police Department FL Osceola police Fully Encrypted
City of Amarillo TX Potter other Partially Encrypted
Fayette County Sheriff OH Fayette sheriff Fully Encrypted
Washington County Sheriff OH Washington sheriff Fully Encrypted
Bolingbrook Police IL Will police Fully Encrypted
City of Joliet Fire Department IL Will fire Fully Encrypted

Showing first 100 of 381 agencies. Use state pages to browse all agencies.

What This Means for Transparency

Not Publicly Accessible

P25 ADP encryption cannot be decoded with consumer radio equipment. 381 agencies using this standard have effectively blocked public access to their radio communications.

Take Action

If your local agency uses P25 ADP encryption, you can advocate for transparency. Contact elected officials and attend public meetings.

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