| System Name | Type | City |
|---|---|---|
| Champion Communication (Waldorf) | LTR Standard | Waldorf |
| Charles County | Motorola Type II Smartnet | Various |
| Charles County Schools | DMR Motorola Capacity Plus Single Site (TRBO) | La Plata |
| First Responders Interoperable Radio System Team (FIRST) | Project 25 Phase II | Various |
| Integrated Wireless Network (IWN) National Capital Region | Project 25 Phase I | Various |
| Joint National Capital Region | Project 25 Phase II | Various |
| Justice Integrated Wireless Network | Project 25 Phase II | Various |
