Federal (Maryland) Scanner Frequencies and Radio Frequency Reference

Federal (Maryland)

Last Updated: April 13, 2023, 3:23 pm

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Federal

Bureau of Alcohol, Tobacco, Firearms and Explosives

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
165.2875		RM	650 NAC	ATF Balt	Baltimore (some encryption)	P25	Federal

Coast Guard

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
162.325		RM		USCG 111 NCR	111 Sector Maryland - National Capital Region	P25	Federal
163.050		RM	293 NAC	USCG 112 CurtBay	112 Station Curtis Bay	P25	Federal
412.975		RM	293 NAC	USCG 409 NCR	409 Sector Maryland - National Capital Region	P25	Federal

Customs and Border Protection

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
165.2375		RM	073 NAC	CBP Net 1	CBP Net 1 (Baltimore)	P25	Federal
165.4625		RM	301 NAC	CBP DNET 7	Digital Net 7 - Baltimore Area	P25	Federal
166.4625				DHS Common	Customs	FM	Federal
166.5875				CBP 166.5875	Customs	FM	Federal
282.425		BM	CSQ	CBP Blue 1	Aircraft ("Omaha" aircraft, "Thor" and "Renegade" ground controllers)	AM	Federal

Drug Enforcement Administration

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
171.6625		RM	156 NAC	DEA Balt1VHF	Baltimore Metro 1 (VHF)	P25	Federal
171.7375		RM	156 NAC	DEA Balt2VHF	Baltimore Metro 2 (VHF)	P25	Federal
418.675		RM	156 NAC	DEA Balt3UHF	Baltimore Metro 3 (UHF)	P25	Federal

Federal Bureau of Investigation

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
167.6875		RM	167 NAC	FBI Balt A3	Baltimore A3 (encrypted)	P25E	Federal
167.7875		RM	167 NAC	FBI Balt A1	Baltimore A1 (encrypted)	P25E	Federal

Federal Protective Service

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
410.800		RM	270 NAC	FPS Balt 1	Baltimore 1	P25	Federal
409.400		RM	270 NAC	FPS Balt 2	Baltimore 2	P25	Federal

Immigration and Customs Enforcement

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
163.625		RM	093 NAC	ICE BaltNet1	Baltimore Net 1 (Talbot)	P25	Federal
163.675		RM	086 NAC	ICE BaltNet1	Baltimore Net 1 (Baltimore)	P25	Federal
163.725		RM	073 NAC	ICE WashNet1	Washington Net 1 (DC)	P25	Federal
165.825		RM	094 NAC	ICE BaltNet1	Baltimore Net 1 (Harford/Cecil)	P25	Federal
168.925		RM	090 NAC	ICE BaltNet3	Baltimore Net 3 (Airports) - BWI	P25	Federal

Interop

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
167.750		RM	68F NAC	BaltFedIOLE3	Baltimore Fed Interop Law 3	P25	Federal
170.6625		RM	653 NAC	Balt Fed I-O	Baltimore Federal Interoperability	P25	Federal

National Park Service

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
170.050		RM	5C2 NAC	Antietam NB	Antietam National Battlefield	P25e	Federal
170.050	KFB741	RM	4F9 NAC	AsstNS170.05	Assateague Island National Seashore	P25	Federal
172.400		RM	4F9 NAC	AsstgNS172.4	Assateague Island National Seashore	P25	Federal
173.675		RM	410 NAC	NPSBaltMetro	Baltimore Metro (Fort McHenry)	P25	Federal
171.725	KFB718	RM	5E7 NAC	Catoctin Mtn	Catoctin Mountain Park	P25e	Federal
172.8125	KQC732	RM	4C5 NAC	C&O Cacapon	Chesapeake & Ohio Canal National Historical Park - Cacapon Mountain	P25	Federal
169.6875	KQC732	RM	4C5 NAC	C&O GrtFalls	Chesapeake & Ohio Canal National Historical Park - Great Falls	P25	Federal
170.3625	KQC732	RM	4C5 NAC	C&O LambsKnl	Chesapeake & Ohio Canal National Historical Park - Lambs Knoll	P25e	Federal
166.950		RM	788 NAC	FtMcHenryNM	Fort McHenry National Monument and Historic Shrine	P25	Federal

Naval Support Facility Thurmont (Camp David)

Joint National Capital Region
Project 25 Phase I

Operations

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
169.925		RM	001 NAC	Camp David	Camp David Security (Encrypted)	P25E	Military

Transportation Security Administration

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
172.150		M		TSA BWI .15	BWI Airport	P25	Federal
172.900		RM	001 NAC	TSA BWI .9	BWI Airport (some encryption)	P25	Federal

US Fish & Wildlife Service

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
162.2375			156.7 PL	Blackwtr NWR	Blackwater National Wildlife Refuge	FM	Federal

US Marshals Service

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
170.750		RM	293 NAC	USMSBaltCths	Baltimore Federal Courthouse Security (mostly encrypted)	P25E	Federal
170.850		RM	864 NAC	USMS Balt	Baltimore	P25	Federal

US Postal Service

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
406.3375		RM	482 NAC	USPISBaltRed	Postal Inspectors Red (Baltimore)	P25	Federal
407.1375		RM	482 NAC	USPISBaltGrn	Postal Inspectors Green (Baltimore)	P25	Federal
407.5375		RM		USPS BaltSrt	Baltimore - Sorting Facility Operations	DMR	Federal
408.1375		RM	CC 1 TG 1 SL *	USPS BaltSrt	Baltimore - Sorting Facility Maintenance	DMR	Federal