Common/Shared
MD Direct
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
| 769.20625 | |
M |
293 NAC |
MD Direct NCR |
MD Direct NCR (Montgomery/Prince George's) |
P25 |
Interop |
| 769.43125 | |
M |
293 NAC |
MD Direct East |
MD Direct East (Eastern Shore, not Cecil) |
P25 |
Interop |
| 770.73125 | |
M |
293 NAC |
MD Direct Main |
MD Direct Main |
P25 |
Interop |
Regional Interservice (RINS)
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
| 853.5125 | |
RM |
156.7 PL |
RINS 1 |
RINS 1 |
FM |
Interop |
| 851.8375 | |
RM |
156.7 PL |
RINS 2 |
RINS 2 |
FM |
Interop |
| 852.2375 | |
RM |
156.7 PL |
RINS 3 |
RINS 3 |
FM |
Interop |
| 852.4875 | |
RM |
156.7 PL |
RINS 4 |
RINS 4 |
FM |
Interop |
| 851.8625 | |
RM |
156.7 PL |
RINS 5 |
RINS 5 |
FM |
Interop |
| 852.7625 | |
RM |
156.7 PL |
RINS 6 |
RINS 6 |
FM |
Interop |
Fire
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
| 154.280 | |
BM |
|
FMARS 2 |
FMARS 2 (Tac) |
FMN |
Interop |
| 154.295 | |
BM |
|
FMARS 1 |
FMARS 1 (Calling) |
FMN |
Interop |
Law Enforcement - Baltimore Area
Metro-Net participating agencies: Baltimore City, Baltimore County, Anne Arundel County, Howard County, Maryland State Police - Glen Burnie, Maryland State Police - Golden Ring, Maryland State Police - Waterloo, Maryland State Police - Pikesville, Maryland Transportation Authority Bay Bridge Detachment, University of Maryland Baltimore, Fort Meade.
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
| 460.050 | |
BM |
114.8 PL |
Metro-Net |
Metro-Net Intersystem |
FM |
Interop |
Law Enforcement - Washington Area
P-MARS participating agencies in Maryland: Frederick Police, Maryland State Police - College Park, Maryland State Police - Forestville, Maryland State Police - Rockville, Montgomery County Police, Montgomery County Park Police, Prince George's County Police, Takoma Park Police, University of Maryland College Park Police, U.S. Air Force - Andrews AFB.
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
| 851.3625 | |
RM |
156.7 PL |
P-MARS 800 |
Police Mutual Aid Radio System (P-MARS) |
FM |
Interop |
Maryland Search Team Task Force
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
| 155.160 | |
M |
CSQ |
MSTTF 1 |
Ch. 1 |
FMN |
EMS-Tac |
| 155.205 | |
M |
CSQ |
MSTTF 2 |
Ch. 2 |
FMN |
EMS-Tac |
| 155.280 | |
M |
CSQ |
MSTTF 3 |
Ch. 3 |
FMN |
EMS-Tac |
| 155.220 | |
M |
CSQ |
MSTTF 4 |
Ch. 4 |
FMN |
EMS-Tac |
| 155.175 | |
M |
CSQ |
MSTTF 5 |
Ch. 5 |
FMN |
EMS-Tac |
| 155.235 | |
M |
CSQ |
MSTTF 6 |
Ch. 6 |
FMN |
EMS-Tac |
| 150.790 | |
M |
CSQ |
MSTTF 7 |
Ch. 7 |
FMN |
EMS-Tac |
