Frequencies
Maryland State Police
Statewide
| First Responders Interoperable Radio System Team (FIRST) Project 25 Phase II | All operations are on this system except where noted separately below. |
Additional Channels
Many or all MSP portables now include the V-CALL/V-TAC bandplan.
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
|---|---|---|---|---|---|---|---|
| 155.190 | KNFW519 | M | 110.9 PL | MSP Tactical | Tactical | FM | Law Tac |
| 155.190 | KNFW519 | BM | 173.8 PL | MSP Barracks | Barrack-to-Barrack (may also be available in cars) | FM | Law Tac |
| 155.475 | KA2097 | M | CSQ | MSP Nat LE | Nationwide Mutual Aid for Law Enforcement | FM | Law Dispatch |
| 159.405 | M | 173.8 PL | MSP Surveil? | Possible Surveillance Use | FM | Law Tac | |
| 159.405 | M | 250.3 PL | MSP STATE | Special Tactical Assault Team Element (STATE) | FM | Law Tac |
Vehicle Repeaters
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
|---|---|---|---|---|---|---|---|
| 151.475 | WPLT309 | M | 127.3 PL | MSP Veh Rptr | Barrack M (tactical use elsewhere) | FM | Law Tac |
| 155.730 | KA2097 | M | CSQ | MSP Veh Rptr | (Input uses 173.8 PL) | FM | Law Tac |
| 155.730 | KA2097 | M | CSQ | MSP Veh Rptr | (sometimes used by Barrack P as primary operating frequency) | FM | Law Tac |
| 155.730 | KA2097 | M | CSQ | MSP Veh Rptr | Barrack O (Hagerstown) | FM | Law Tac |
| 458.3875 | M | 110.9 PL | MSP Veh Rptr | Barrack O (Hagerstown) | FM | Law Tac |
Anne Arundel County
Calvert County
| Calvert County Project 25 Phase II | MSP uses a talkgroup on this system. |
Carroll County
| Carroll County Project 25 Phase II | MSP has talkgroups on this system for patches/back-up use. |
Charles County
| Charles County Motorola Type II Smartnet | MSP uses a talkgroup on this system. |
Frederick County
| Frederick County, MD Project 25 Phase I | MSP has two talkgroups on this system for patches/back-up use. |
Harford County
| Central Maryland Area Regional Communications Committee (CMARC) Project 25 Phase I | MSP has talkgroups on this system for patches/back-up use. |
Howard County
| Howard County Project 25 Phase I | MSP talkgroup for patch/back-up use. |
Montgomery County
| Montgomery County, MD Project 25 Phase II | MSP operates on this system. |
Prince George's County
| Prince George's County Project 25 Phase II | MSP uses two talkgroups on this trunked system, and two additional talkgroups are allocated but unused. |
St. Mary's County
| St. Mary's County Project 25 Phase II | MSP uses encrypted talkgroups on this system. |
Somerset County
| Somerset County, MD Project 25 Phase II | MSP has talkgroups on this system for patch/back-up use. |
Washington County
| Washington County Project 25 Phase I | MSP has talkgroups on this system for patch/back-up use. |
Worcester County
| Worcester County Project 25 Phase II | MSP has talkgroups on this system for patch/back-up use. |