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Federal/Non-Federal Interoperability

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NTIA Federal/Non-Federal Law Enforcement Interoperability

NTIA Federal/Non-Federal Law Enforcement Interoperability
Frequency Input Type Tone Channel Description Mode
167.0875 BM CSQ RX/167.9 TX LE A Calling FMN
167.0875 162.0875 R CSQ RX/167.9 TX LE 1 Tactical FMN
167.2500 162.2625 R NAC 68F LE 2 Tactical P25
167.7500 162.8375 R NAC 68F LE 3 Tactical P25
168.1125 163.2875 R NAC 68F LE 4 Tactical P25
168.4625 163.4250 R NAC 68F LE 5 Tactical P25
167.2500 BM NAC 68F LE 6 Direct for LE 2 P25
167.7500 BM NAC 68F LE 7 Direct for LE 3 P25
168.1125 BM NAC 68F LE 8 Direct for LE 4 P25
168.4625 BM NAC 68F LE 9 Direct for LE 5 P25
414.0375 BM CSQ RX/167.9 TX LE B Calling FMN
409.9875 418.9875 R CSQ RX/167.9 TX LE 10 Tactical FMN
410.1875 419.1875 R NAC 68F LE 11 Tactical P25
410.6125 419.6125 R NAC 68F LE 12 Tactical P25
414.0625 BM NAC 68F LE 13 Tactical P25
414.3125 BM NAC 68F LE 14 Tactical P25
414.3375 BM NAC 68F LE 15 Tactical P25
409.9875 BM CSQ RX/167.9 TX LE 16 Direct for LE 10 FMN
410.1875 BM NAC 68F LE 17 Direct for LE 11 P25
410.6125 BM NAC 68F LE 18 Direct for LE 12 P25


NTIA Federal/Non-Federal Incident Response

NTIA Federal/Non-Federal Incident Response
Frequency Input Type Tone Channel Description Mode
169.5375 164.7125 R CSQ RX/167.9 TX NC 1CALL Incident Calling FMN
170.0125 165.2500 R CSQ RX/167.9 TX IR 1 Incident Command 1 FMN
170.4125 165.9625 R CSQ RX/167.9 TX IR 2 Medical Evacuation Control FMN
170.6875 166.5750 R CSQ RX/167.9 TX IR 3 Logistics Control FMN
173.0375 167.3250 R CSQ RX/167.9 TX IR 4 Interagency Convoy FMN
169.5375 BM CSQ RX/167.9 TX IR 5 Direct for NC 1CALL FMN
170.0125 BM CSQ RX/167.9 TX IR 6 Direct for IR 1 FMN
170.4125 BM CSQ RX/167.9 TX IR 7 Direct for IR 2 FMN
170.6875 BM CSQ RX/167.9 TX IR 8 Direct for IR 3 FMN
173.0375 BM CSQ RX/167.9 TX IR 9 Direct for IR 4 FMN
410.2375 419.2375 R CSQ RX/167.9 TX NC 2CALL Incident Calling FMN
410.4375 419.4375 R CSQ RX/167.9 TX IR 10 Ad hoc assignment FMN
410.6375 419.6375 R CSQ RX/167.9 TX IR 11 Ad hoc assignment FMN
410.8375 419.8375 R CSQ RX/167.9 TX IR 12 SAR Incident Command FMN
413.1875 BM CSQ RX/167.9 TX IR 13 Ad hoc assignment FMN
413.2125 BM CSQ RX/167.9 TX IR 14 Interagency Convoy FMN
410.2375 BM CSQ RX/167.9 TX IR 15 Direct for NC 2CALL FMN
410.4375 BM CSQ RX/167.9 TX IR 16 Direct for IR 10 FMN
410.6375 BM CSQ RX/167.9 TX IR 17 Direct for IR 11 FMN
410.8375 BM CSQ RX/167.9 TX IR 18 Direct for IR 12 FMN


DOJ High-Risk Metropolitan Areas Interoperability Assistance Project

Provides 25 cities with interoperable capabilities between local, state and federal agencies during emergency response.

The following cities are participating in this project. Atlanta, Baltimore, Boston, Charlotte NC, Chicago, Dallas/Fort Worth, Denver, Detroit, El Paso, Hartford/New Haven CT, Honolulu, Houston, Jacksonville FL, Los Angeles, Miami, Minneapolis, Newark NJ, New York, New Orleans, Norfolk/Hampton Roads VA, Orlando, Philadelphia, Phoenix, Portland OR, Richmond, San Diego, San Francisco, Seattle, St. Louis, Tampa FL, Washington DC.

Also see the Justice Integrated Wireless Network article for additional DOJ information.

  • 171.4375 appears to be a commonly used frequency.
  • 167.9 appears to be a commonly used CTCSS tone in FMN mode.
  • $653 appears to be a commonly used NAC in P25 mode.

Baltimore, MD Area

Frequency  Input    Type Tone       Description   Mode
170.6625  163.1875   R   653 NAC    FIO Channel   FMN/P25

Boston, MA Area

  • Roll Call on the first Wednesday of the month at 10am
Frequency  Input    Type Tone       Description                   Mode
158.9100  154.8600   R   612 DPL    Boston PD Federal Interop         NFM
167.4375  162.6375   R   167 NAC    FBI Bank Squad Interop            P25
                                    Patched to UHF BAPERN Network
168.1125  163.2875   R   68F NAC    Boston DOJ 25 Cities Interop VHF  P25
409.9875  418.9875   R   167.9      Boston DOJ 25 Cities Interop UHF  NFM
x  x  R  x NAC  Brockton BK FIO

Chicago, IL Area

Frequency  Input    Type Tone       Description      Mode
170.8125             R   653 NAC    Command-North    P25
171.4375             R   653 NAC    Command-South    P25
171.6875             R   653 NAC    Command-Central  P25
168.8875             R   653 NAC    Tactical-North   P25
168.9125             R   653 NAC    Tactical-South   P25
172.2125             R   653 NAC    Tactical-Central P25

Dallas/Fort Worth, TX Area

Frequency  Input   
Type  Tone  Alpha Tag  Description  Mode  Tag 
170.72500  162.90000   RM  653 NAC  Fed I/O DFW-East East  P25  Federal 
171.43750  162.97500   RM  653 NAC  Fed I/O DFW-West West  P25  Federal 


Denver, CO Area

Frequency  Type  Tone  Alpha Tag  Description  Mode  Tag 
170.66250  RM  653 NAC  DEN IO North Denver Interop North  P25  Interop 
171.43750  RM  653 NAC  DEN IO Central Denver Interop Central  P25  Interop 
167.26250  RM  653 NAC  DEN IO West Denver Interop West  P25  Interop 
171.98750  RM  653 NAC  DEN IO East Denver Interop East  P25  Interop 
172.18750  RM  653 NAC  DEN IO South Denver Interop South  P25  Interop 
162.97500  653 NAC  DEN IO Input? Denver Interop - possible input frequency  P25  Interop 


Houston, TX Area

Frequency  Input    Type Tone       Description   Mode
171.4375  162.9750  R    N653       FIO Houston-Patch   FMN
170.7250  162.9000  R    N653       FIO Houston-Command FMN

Los Angeles, CA Area

Frequency  Input   
Type  Tone  Alpha Tag  Description  Mode  Tag 
173.55000  163.16250   RM  653 NAC  LA FIO1 LA Federal Interop 1  P25  Interop 
172.41250  162.88750   RM  653 NAC  LA FIO2 LA Federal Interop 2  P25  Interop 
173.60000  164.18750   RM  653 NAC  LA FIO3 LA Federal Interop 3  P25  Interop 


New York City and New Jersey

Frequency  Input    Type Tone       Description   Mode
167.7875   164.7375  R   653 NAC    NYC FIO 1        P25
171.1750   162.2875  R   653 NAC    NYC FIO 2        P25
173.1875   164.7375  R   653 NAC    NYC FIO 3 (LI)   P25
173.9250   164.7375  R   653 NAC    NYC FIO 4 (North)P25
173.8625   164.7375  R   653 NAC    NYC FIO 5 (South)P25
414.7500                 82.5 PL

Norfolk, VA

Frequency  Input    Type Tone        Description   Mode
165.7000   163.9500  R   653 NAC     Hampton Roads FIO (DRI)  P25
x  x  R x NAC  HRN FIOP TOA Toano

Oklahoma City, OK

Frequency  Input   
Type  Tone  Alpha Tag  Description  Mode  Tag 
172.21250  162.95000   RM  390 NAC  Federal Interop Federal Common Channel  P25  Federal 


Philadelphia, PA Area

Frequency  Input    Type Tone       Description   Mode
171.4375  164.9625   R   653 NAC    PH FIO       P25

Richmond, VA

Frequency  Input    Type Tone        Description   Mode
168.1125  163.2875   R   68F NAC     Richmond FIO-R  P25
168.4625  163.2875   R   68F NAC     Richmond FIO-P  P25

Saint Louis, MO Area

Frequency  Input   
Type  Tone  Alpha Tag  Description  Mode  Tag 
171.43750  162.87500   RM  653 NAC  25C STL CALL St Louis Calling (Linked*) [TG 1]  P25  Interop 
171.68750  163.83750   RM  653 NAC  25C STL TAC St Louis Tactical (Linked*) [TG 1]  P25  Interop 


San Francisco, CA Area

Frequency  Input   
Type  Tone  Alpha Tag  Description  Mode  Tag 
168.76250  162.90000   RM  167.9 PL  SF MA V-A SF Mutual Aid VHF Analog (Twin Peaks)  FMN  Interop 
409.01250  418.01250   RM  167.9 PL  SF MA U-A SF Mutual Aid UHF Analog (Twin Peaks)  FMN  Interop 
483.13750  486.13750   RM  156.7 PL  SF MA T-A SF Mutual Aid T-Band Analog  FMN  Interop 
171.61250  163.77500   RM  653 NAC  SF FED-V SF Federal VHF (Twin Peaks)  P25  Interop 
410.41250  419.41250   RM  653 NAC  SF FED-U SF Federal UHF (Twin Peaks)  P25  Interop 
170.56250  165.07500   RM  653 NAC  SF FED-ED SF Federal Multicast (Diablo)  P25  Interop 
169.88750  165.07500   RM  653 NAC  SF FED-ES SF Federal Multicast (San Bruno)  P25  Interop 
169.63750  165.07500   RM  653 NAC  SF FED-ET SF Federal Multicast (Tam)  P25  Interop 
170.37500  165.07500   RM  653 NAC  SF FED-EW SF Federal Multicast (Wiedemann)  P25  Interop 


Washington, DC Area

Frequency  Input    Type Tone       Description   Mode
159.1500  155.2500   R   653 NAC    DCIO 1        P25
167.2500  162.2625   R   653 NAC    DCIO 2        P25
173.7500  163.5000   R   653 NAC    DCIO 2-North  P25
166.7875  162.9750   R   653 NAC    DCIO 2-West   P25
168.0875  162.9750   R   653 NAC    DCIO 2-South  P25

Non-Federal Public Safety Interoperability

Common Public Safety

National Incident Radio Support Cache

Related Links / References


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