Frequencies
Interoperability
Interoperability
Department of Defense
Army Corps of Engineers
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
---|---|---|---|---|---|---|---|
163.4375 | BM | 100 NAC | ACE Add/Bark | Addicks and Barker Reservoirs | P25 | Military |
Civil Air Patrol
National Guard
See Ellington International Airport for Texas Air National Guard and Texas Army National Guard frequencies.
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
---|---|---|---|---|---|---|---|
150.7375 | M | 293 NAC | ANG Air Surveil | Aerial Surveillance | P25 | Federal |
North American Aerospace Defense Command (NORAD)
White House Communications Agency
Department of Homeland Security
Coast Guard
Also see Ellington International Airport and Port of Houston for additional Coast Guard frequencies.
Customs and Border Protection
Immigration and Customs Enforcement (ICE) is a major user of the CBP radio system. Other agencies such as Department of Agriculture, Environmental Protection Agency, Internal Revenue Service (IRS) Criminal Investigation and Railroad Retirement Board (RRB) Office of Inspector General use the CBP radio system. The Federal Protective Service also has access to the CBP radio system.
Also see Bush Intercontinental Airport, Hobby Airport, and Port of Houston for additional CBP frequencies.
Federal Protective Service
Immigration and Customs Enforcement
Also see Bush Intercontinental Airport for additional ICE frequencies.
Secret Service
Transportation Security Administration
See airport pages for frequencies used at airports.
Department of Justice
Department of Justice
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
---|---|---|---|---|---|---|---|
164.550 | M | 001 NAC | OCDETF | Organized Crime Drug Enforcement Task Force (FBI Ch. D2?) | P25e | Federal |
Bureau of Alcohol, Tobacco, Firearms and Explosives
Bureau of Prisons
Federal Detention Center Houston Motorola Type II | Jail operations. |
Drug Enforcement Administration
Texas Wide Area Radio Network (TxWARN) Project 25 Phase II | DEA has talkgroups on this system and sometimes conducts operations on them. |
Federal Bureau of Investigation
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
---|---|---|---|---|---|---|---|
167.6125 | BM | 167 NAC | FBI Hou A1 | Houston Field Office Ch. A1 "Guard" Building Security | P25e | Federal | |
170.625 | RM | 167 NAC | FBI Hou A5 | Houston Field Office Ch. A5 Surveillance | P25e | Federal | |
168.8875 | RM | 167 NAC | FBI Hou A6 | Houston Field Office Ch. A6 "Mustang" Surveillance | P25e | Federal | |
167.7875 | KKF925 | RM | 167 NAC | FBI HouA7Pri | Houston Field Office Ch. A7 "Chase" Primary | P25e | Federal |
167.5625 | M | 167 NAC | FBIHouD4?Dig | Houston Field Office Ch. D4? Attorney General Detail | P25e | Federal | |
167.5625 | M | 167.9 PL | FBIHouD4 Ana | Houston Field Office Ch. D4 Surveillance | FMNe | Federal | |
167.5375 | RM | 167 NAC | FBI Hou D6? | Houston Field Office Ch. D6?/D5? | P25e | Federal | |
167.2375 | M | 167 NAC | FBI Hou H1 | Houston Field Office Ch. H1 Surveillance | P25e | Federal | |
168.7625 | M | 167 NAC | FBI Hou H2 | Houston Field Office Ch. H2 Surveillance | P25e | Federal | |
163.100 | M | 167 NAC | FBI Hou H3 | Houston Field Office Ch. H3 Surveillance | P25e | Federal | |
173.100 | RM | 167 NAC | FBI HouH4SOG | Houston Field Office Ch. H4 Special Operations Group | P25e | Federal | |
166.7625 | M | 167 NAC | FBI Hou P3 | Houston Field Office Ch. P3 Surveillance | P25E | Federal | |
168.4875 | M | 167 NAC | FBI Hou P5 | Houston Field Office Ch. P5 Surveillance | P25E | Federal | |
170.1875 | RM | 167 NAC | FBI Mc Downtown | Houston Field Office Houston Area Multicast - Downtown Houston | P25e | Federal | |
170.375 | RM | 167 NAC | FBI Mc Katy | Houston Field Office Houston Area Multicast - Katy | P25e | Federal | |
171.175 | RM | 167 NAC | FBI Mc IAH | Houston Field Office Houston Area Multicast - Bush Intercontinental Airport | P25e | Federal | |
172.2875 | RM | 167 NAC | FBI Mc NRG | Houston Field Office Houston Area Multicast - NRG Stadium | P25e | Federal | |
170.8125 | RM | 167 NAC | FBI 170.8125 | Houston Field Office Houston Area Multicast | P25e | Federal | |
170.8625 | RM | 167 NAC | FBI 170.8625 | Houston Field Office Houston Area Multicast | P25e | Federal | |
170.9375 | RM | 167 NAC | FBI 170.9375 | Houston Field Office Houston Area Multicast | P25e | Federal | |
171.6125 | RM | 167 NAC | FBI 171.6125 | Houston Field Office Houston Area Multicast | P25e | Federal | |
171.6875 | RM | 167 NAC | FBI 171.6875 | Houston Field Office Houston Area Multicast | P25e | Federal | |
171.975 | RM | 167 NAC | FBI 171.975 | Houston Field Office Houston Area Multicast | P25e | Federal | |
172.2125 | RM | 167 NAC | FBI 172.2125 | Houston Field Office Houston Area Multicast | P25e | Federal | |
162.7625 | M | 167 NAC | FBI 162.7625 | Houston Field Office Houston Area Multicast - Input | P25e | Federal | |
163.1875 | M | 167 NAC | FBI 163.1875 | Houston Field Office Houston Area Multicast - Input | P25e | Federal | |
163.8875 | M | 167 NAC | FBI 163.8875 | Houston Field Office Houston Area Multicast - Input | P25e | Federal | |
163.9125 | M | 167 NAC | FBI 163.9125 | Houston Field Office Houston Area Multicast - Input | P25e | Federal | |
163.9625 | M | 167 NAC | FBI 163.9625 | Houston Field Office Houston Area Multicast - Input | P25e | Federal | |
163.9875 | M | 167 NAC | FBI 163.9875 | Houston Field Office Houston Area Multicast - Input | P25e | Federal | |
169.6625 | RM | 167 NAC | FBI 169.6625 | Houston Field Office Outlying Area Multicast | P25e | Federal | |
170.7375 | RM | 167 NAC | FBI 170.7375 | Houston Field Office Outlying Area Multicast | P25e | Federal | |
170.9125 | RM | 167 NAC | FBI 170.9125 | Houston Field Office Outlying Area Multicast | P25e | Federal | |
171.9875 | RM | 167 NAC | FBI 171.9875 | Houston Field Office Outlying Area Multicast | P25e | Federal | |
172.1875 | RM | 167 NAC | FBI 172.1875 | Houston Field Office Outlying Area Multicast | P25e | Federal | |
172.550 | RM | 167 NAC | FBI 172.55 | Houston Field Office Outlying Area Multicast | P25e | Federal | |
173.0875 | RM | 167 NAC | FBI 173.0875 | Houston Field Office Outlying Area Multicast | P25e | Federal | |
173.7875 | RM | 167 NAC | FBI 173.7875 | Houston Field Office Outlying Area Multicast | P25e | Federal | |
162.875 | M | 167 NAC | FBI 162.875 | Houston Field Office | P25e | Federal | |
166.9875 | M | 167 NAC | FBI 166.9875 | Houston Field Office | P25e | Federal | |
167.2625 | M | 167 NAC | FBI 167.2625 | Houston Field Office | P25e | Federal | |
167.2875 | M | 167 NAC | FBI 167.2875 | Houston Field Office | P25e | Federal | |
167.3125 | M | 167 NAC | FBI 167.3125 | Houston Field Office | P25e | Federal | |
167.3375 | M | 167 NAC | FBI 167.3375 | Houston Field Office | P25e | Federal | |
167.3625 | M | 167 NAC | FBI 167.3625 | Houston Field Office Surveillance | P25e | Federal | |
167.3875 | M | 167 NAC | FBI 167.3875 | Houston Field Office | P25e | Federal | |
167.4125 | M | 167 NAC | FBI 167.4125 | Houston Field Office | P25e | Federal | |
167.4375 | M | 167 NAC | FBI 167.4375 | Houston Field Office Surveillance | P25e | Federal | |
167.4625 | M | 167 NAC | FBI 167.4625 | Houston Field Office | P25e | Federal | |
167.4875 | M | 167 NAC | FBI 167.4875 | Houston Field Office | P25e | Federal | |
167.5125 | M | 167 NAC | FBI 167.5125 | Houston Field Office | P25e | Federal | |
167.5875 | M | 167 NAC | FBI 167.5875 | Houston Field Office Surveillance | P25e | Federal | |
167.600 | M | 167 NAC | FBI 167.6 | Houston Field Office | P25e | Federal | |
167.6375 | M | 167 NAC | FBI 167.6375 | Houston Field Office | P25e | Federal | |
167.6625 | M | 167 NAC | FBI Hou 167.6625 | Houston Field Office | P25e | Federal | |
167.7125 | M | 167 NAC | FBI 167.7125 | Houston Field Office | P25e | Federal | |
167.7375 | M | 167 NAC | FBI 167.7375 | Houston Field Office | P25e | Federal | |
167.7625 | M | 167 NAC | FBI 167.7625 | Houston Field Office | P25e | Federal | |
168.2875 | M | 167 NAC | FBI 168.2875 | Houston Field Office | P25e | Federal | |
168.975 | M | 167 NAC | FBI 168.975 | Houston Field Office | P25e | Federal | |
168.9875 | M | 167 NAC | FBI 168.9875 | Houston Field Office | P25e | Federal | |
170.000 | M | 167 NAC | FBI 170.0 | Houston Field Office | P25e | Federal | |
170.825 | M | 167.9 PL | FBI 170.825 | Houston Field Office Surveillance | FMN | Federal | |
170.8375 | M | 167 NAC | FBI 170.8375 | Houston Field Office | P25e | Federal | |
170.875 | M | 167 NAC | FBI 170.875 | Houston Field Office | P25e | Federal | |
170.925 | M | 167 NAC | FBI 170.925 | Houston Field Office | P25e | Federal | |
172.050 | M | 167 NAC | FBI 172.05 | Houston Field Office | P25e | Federal | |
172.300 | M | 167 NAC | FBI 172.3 | Houston Field Office | P25e | Federal | |
173.025 | M | 167 NAC | FBI 173.025 | Houston Field Office | P25e | Federal | |
173.450 | RM | 167 NAC | FBI 173.45 | Houston Field Office | P25e | Federal | |
136.275 | BM | CSQ | FBI Air 136 | Air-to-Air/Air-to-Base ("Snake Base"/"Victor," also used by DEA) | AM | Federal |
Marshals Service
The Marshals Service previously used the ICE "HOU1" channel as its primary ("Houston Command") in the past; but may be using TxWARN now.
Texas Wide Area Radio Network (TxWARN) Project 25 Phase II | The Gulf Coast Violent Offenders and Fugitive Task Force operates on this system. |
Other Departments
Department of Agriculture
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
---|---|---|---|---|---|---|---|
166.5625 | M | 192.8 PL | DOA WildlifeSvcs | Wildlife Services | FMN | Federal |
Department of State
Texas Wide Area Radio Network (TxWARN) Project 25 Phase II | DSS has access to talkgroups on this system, such as the interoperability talkgroups. |
Department of the Interior
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
---|---|---|---|---|---|---|---|
166.375 | M | 94.8 PL | BSEE Helicopters | Bureau of Safety and Environmental Enforcement - Helicopters | FMN | Federal |
Department of the Treasury
Department of the Treasury - Internal Revenue Service
Department of Veterans Affairs
Michael DeBakey Veterans Affairs Medical Center Project 25 Phase I | Police and maintenance operations are on this system. |
Federal Aviation Administration
Also see Bush Intercontinental Airport for additional FAA frequencies.
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
---|---|---|---|---|---|---|---|
172.175 | M | 136.5 PL | FAA Tech Car | Radio Technicians - Car-to-Car | FMN | Federal |
Federal Reserve Bank of Dallas
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
---|---|---|---|---|---|---|---|
406.6625 | RM | 293 NAC | FRBHouPolice | Houston Branch - Police | P25 | Federal | |
410.4875 | RM | 293 NAC | FRBHou Maint | Houston Branch - Maintenance | P25 | Federal |
National Aeronautics and Space Administration
Also see Ellington International Airport for additional NASA frequencies.
Johnson Space Center Motorola Type II SmartZone | This system is reported to be using encryption on all talkgroups. |
Texas Wide Area Radio Network (TxWARN) Project 25 Phase II | Security has a talkgroup on this system. |
Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
---|---|---|---|---|---|---|---|
171.150 | B | CSQ | JSC ShtleAud | Johnson Space Center - Space Shuttle/Mission Control Audio | FM | Federal |