Note: This is a listing of deprecated systems. These systems are either no longer in use or have been superceded by another system.
| System Name | Type | Flavor | City | County | Updated |
|---|---|---|---|---|---|
| 58th Presidential Inauguration | DMR | Motorola Capacity Plus Multi Site (TRBO) | Washington | Washington DC | 2017-05-07 |
| Communications Direct | DMR | Motorola Capacity Plus Single Site (TRBO) | Washington | Washington DC | 2014-07-17 |
| Communications Direct (2013 Inauguration) | DMR | Motorola Capacity Plus Single Site (TRBO) | Washington | Washington DC | 2016-05-22 |
| Correctional Treatment Facility | DMR | Motorola Capacity Plus Single Site (TRBO) | Washington | Washington DC | 2017-03-13 |
| Fannie Mae | LTR | Passport | Various | Multi-County [2] | 2020-08-23 |
| John F. Kennedy Center for the Performing Arts | LTR | Passport | Washington | Washington DC | 2014-05-02 |
| Joint National Capital Region (Walter Reed Army Medical Center) | Project 25 | Phase I | Washington/Forest Glen | Multi-County [2] | 2011-09-29 |
| Naval District of Washington | EDACS | Networked Standard | Washington | Multi-County [3] | 2011-01-23 |
| NTIA Federal | Motorola | Type II Smartnet | Washington | Washington DC | 2008-05-21 |
| Presidential Inaugural and Parade 2009 | LTR | Standard | Washington | Washington DC | 2010-11-29 |
| Smithsonian Institution (National Zoo) | LTR | Passport | Washington | Washington DC | 2014-05-02 |
| Unidentified Federal Motorola A73B | Motorola | Type II SmartZone | Washington | Multi-County [3] | 2016-03-26 |
| US Department of Defense | Motorola | Type II Smartnet | DC / Northern VA | Multi-County [9] | 2006-06-02 |
| Walter Reed Army Medical Center | Project 25 | Phase I | Washington | Washington DC | 2007-03-05 |
| Washington DC Area Federal SMR | LTR | Passport | Washington | Multi-County [2] | 2015-05-04 |
| Washington Gas Light Company | Motorola | Type II Smartnet | Various | Multi-County [9] | 2016-04-02 |
| Washington, DC (Project 16) | Motorola | Type II SmartZone | Washington | Washington DC | 2015-04-24 |