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  3. Frederick County, MD

Frederick County, MD

System Name: Frederick County, MD
Location: Frederick, MD
County: Frederick
System Type: Project 25 Phase I
System Voice: APCO-25 Common Air Interface Exclusive
System ID: Sysid: 441 WACN: BEE00
Last Updated: April 4, 2026, 19:13 pm UTC   [Changed Site # 001 (Simulcast) to 1 (Simulcast)]

Sites and Frequencies

FCC Callsigns Map Site Locations Report Broadcastify Calls Nodes
Key:###.####Ctrl control channel
Simulcast
RFSS 1 · 1Site 001 · 1NAC 441
12 freqs · 4 control
851.6125Ctrl851.9125Ctrl853.475Ctrl854.9875Ctrl853.225853.750856.1375856.4875857.4875858.0875858.4875859.4875
Brunswick
RFSS 1 · 1Site 002 · 2
5 freqs · 2 control
774.40625Ctrl774.88125Ctrl771.15625772.03125772.65625

Talkgroups

Talkgroup Category Report
Key:Enc full encryptionOnline active on Broadcastify Calls (24h)
Fire
DEC HEX Mode Alpha TagDescriptionTag
54151527D92G SpecialEvent92G Special EventFire-Tac
5440Online1540D9A Disp9A Fire/EMS Dispatch (Patched to 153.8450)Fire Dispatch
5441Online1541D9B EMS 19B EMS incidentEMS-Tac
5442Online1542D9C Fire 19C Minor incidentFire-Tac
5443Online1543D9D Tac 109D IncidentFire-Tac
54441544D9F TAC 119F TAC 11Fire-Tac
54451545D9G TAC 129G TAC 12Fire-Tac
54461546D9H CMD 139H CMD 13Fire-Tac
5448Online1548D9I TAC 209I TAC 20Fire-Tac
54491549D9K TAC 219K TAC 21Fire-Tac
5450Online154aD9L TAC 229L TAC 22Fire-Tac
5451Online154bD9M CMD 239M CMD 23Fire-Tac
5453154dD91B EMS 291B EMS IncidentEMS-Tac
5454154eD91C Fire 291C Minor incidentFire-Tac
5455154fD91D Tac 3091D IncidentFire-Tac
54561550D91F TAC 3191F TAC 31Fire-Tac
54571551D91G TAC 3291G TAC 32Fire-Tac
54581552D91H CMD 3391H CMD 33Fire-Tac
54601554D91I TAC 4091I TAC 40Fire-Tac
54611555D91K TAC 4191K TAC 41Fire-Tac
54621556D91L TAC 4291L TAC 42Fire-Tac
54631557D91M CMD 3491M CMD 34Fire-Tac
5465Online1559D92B Admin92B AdministrativeFire-Talk
5466Online155aD92C Call 192C EMRC Call 1Hospital
5467Online155bD92D Med 492D EMRC Med 4Hospital
5468155cD92E Med 892E EMRC Med 8Hospital
5469155dD Enc92F FM92F Fire MarshalFire-Tac
5471Online155fD92H Fire Pol92H Fire PoliceFire-Talk
54721560D92I Train 5092I TrainingFire-Talk
54731561D92J Train 5192J TrainingFire-Talk
5474Online1562D92K Train 5292K TrainingFire-Talk
54751563D92L Train 5392L TrainingFire-Talk
54761564D92M Train 5492M TrainingFire-Talk
54771565DAnounce Tac1Announce Tac 10 seriesFire-Tac
54781566DAnounce Tac2Announce Tac 20 seriesFire-Tac
54791567DAnounce Tac3Announce Tac 30 seriesFire-Tac
54801568DAnounce Tac4Announce Tac 40 seriesFire-Tac
54811569DAnounce Tac5Announce Tac 50 seriesFire-Tac
Sheriff
DEC HEX Mode Alpha TagDescriptionTag
54011519DFCSO CtywideCountywideLaw Dispatch
5402Online151aDFCSO Disp 1Dispatch 1Law Dispatch
5403Online151bDFCSO Disp 2Dispatch 2Law Dispatch
5404Online151cDFCSO Disp 3Dispatch 3Law Dispatch
5405151dD EncFCSO FCBIFCBILaw Tac
5406151eD EncFCSO NarcNarcoticsLaw Tac
5407Online151fDFCSO JudiclJudicialLaw Tac
54081520DFCSO SchResOffSchool Resource OfficersLaw Tac
54091521DFCSO SpecialSpecialLaw Tac
54101522D EncFCSO SSTSSTLaw Tac
County Services
DEC HEX Mode Alpha TagDescriptionTag
54901572DFredCo AdminAdministrationPublic Works
5491Online1573DFredCo ACAnimal ControlPublic Works
54961578DFredCo ConstConstruction ManagementPublic Works
5497Online1579DFredCoDUSWM1Division of Utilities and Solid Waste Management 1Public Works
5498157aDFredCoDUSWM2Division of Utilities and Solid Waste Management 2Public Works
5499157bDFredCo EOCEmergency Operations CenterEmergency Ops
5501Online157dDFredCoHealthHealthPublic Works
5502Online157eDFredCo HwyOpCounty Highways OperationsPublic Works
5503157fDFredCo Hwy 1County Highways District 1Public Works
55041580DFredCo Hwy 2County Highways District 2Public Works
5505Online1581DFredCo Hwy 3County Highways District 3Public Works
55061582DFredCo Hwy 4County Highways District 4Public Works
55071583DFredCo Hwy 5County Highways District 5Public Works
55081584DFredCo Hwy 6County Highways District 6Public Works
5510Online1586DFredCo LndflLandfillPublic Works
55111587DFredCo MntMaintenancePublic Works
5513Online1589DFredCoMultClMultiagency CallInterop
5514158aDFredCo Mult2Multiagency 2Interop
5515158bDFredCo Mult3Multiagency 3Interop
5516158cDFredCo Mult4Multiagency 4Interop
5517158dDFredCo Mult5Multiagency 5Interop
5518158eDFredCo Mult6Multiagency 6Interop
5519158fDFredCo Mult7Multiagency 7Interop
55201590DFredCo Mult8Multiagency 8Interop
55211591DFredCo ParksParksPublic Works
55221592DFredCoPermitPermitsPublic Works
5523Online1593DFredCo TransTransit BusesTransportation
5524Online1594DFredCo ParatTransIT ParatransitTransportation
55271597DFredCo RadioTechRadio TechsPublic Works
5531159bDFredCo SCADASupervisory Control and Data Acquisition (SCADA)Data
555315b1DFredCo Bldg SecBuilding SecuritySecurity
555415b2DFredCoBldgSecTlkBuilding Security - TalkSecurity
City Police
DEC HEX Mode Alpha TagDescriptionTag
554015a4DFPD AdminAdminInterop
554115a5D EncFPD Ops 1Ops 1Law Dispatch
554215a6D EncFPD Ops 3Ops 3Law Dispatch
554315a7D EncFPD Ops 2Ops 2Law Tac
554415a8D EncFPD Ops 4Ops 4Law Tac
554515a9D EncFPD Tac 6Tac 6Law Tac
554615aaD EncFPD Tac 7Tac 7Law Tac
554915adDFPD AnnounceAnnouncementLaw Dispatch
555115afD EncFPD Tac 5Tac 5Law Tac
City Services
DEC HEX Mode Alpha TagDescriptionTag
557015c2DFredCi Dptw1Departmentwide 1Public Works
557115c3DFredCi Dptw2Departmentwide 2Public Works
557215c4DFredCi EngEngineeringPublic Works
557315c5DFredCi FCCAFrederick Community Action AgencyPublic Works
5574Online15c6DFredCi GenSvGeneral ServicesPublic Works
5575Online15c7DFredCi PrkngParkingPublic Works
557615c8DFredCi ParksParks Public Works
5577Online15c9DFredCi SanitSanitationPublic Works
5578Online15caDFredCi StrtStreetsPublic Works
557915cbDFredCi SupvSupervisorPublic Works
5580Online15ccDFredCi WaterWater/SewerPublic Works
558115cdDFredCi Srv AnncAnnouncementPublic Works
Schools
DEC HEX Mode Alpha TagDescriptionTag
5492Online1574DFredCo BOE 1BOE 1Schools
54931575DFredCo BOE 2BOE 2Schools
54941576DFredCo BOE 3BOE 3Schools
54951577DFredCo BOE 4BOE 4 (Security)Security
Maryland
DEC HEX Mode Alpha TagDescriptionTag
5668Online1624DMSP B OPSMD State Police Barrack B OperationsLaw Dispatch
56691625DMSP B TACMD State Police Barrack B TacticalLaw Tac
56711627DSHA OPSMD State Highways CHART TOC 7 OpsPublic Works
56721628DSHA TRAFMD State Highways CHART TOC 7 TrafficPublic Works
56731629DMSP B Tac 2MD State Police Barrack B Tac 2Law Tac
Other
DEC HEX Mode Alpha TagDescriptionTag
54111523DNFFF 1National Fallen Firefighters 1Interop
54121524DNFFF 2National Fallen Firefighters 2Interop
54131525DNFFF 3National Fallen Firefighters 3Interop
54141526DNFFF 4National Fallen Firefighters 4Interop