| 1901 | 76d | D | DeKalb Police | (BACKUP) DeKalb Police: Dispatch (also using DeKalb TRS TG 51) | Law Dispatch |
| 1902 | 76e | D | DeKalb PoliceAlt | (BACKUP) DeKalb Police: Alternate | Law Tac |
| 1904 | 770 | De | DeKalb Police 2 | (BACKUP) DeKalb Police: Secondary | Law Tac |
| 1906 | 772 | D | DeKalb Police 06 | (BACKUP) DeKalb Police: Tactical | Law Tac |
| 1907 | 773 | D | DeKlb PD Spec 1 | (BACKUP) DeKalb Police: Special 1/Events | Law Tac |
| 3571 | df3 | D | NIU Police | Northern Illinois University: Police/Public Safety | Law Dispatch |
| 3575 | df7 | D | NIU Security/Ops | Northern Illinois University: Security/Ops | Security |
| 3577 | df9 | D | NIU Huskie Patrl | Northern Illinois University: Escorts Huskie Patrol | Schools |
| 3579 | dfb | D | NIU Buildings | Northern Illinois University: Building Ops | Schools |
| 3580 | dfc | D | NIU Ops 3580 | Northern Illinois University: Ops (Statewide?) | Schools |
