| Frequency | System | FleetID | User | City | State | Sys_Type | Notes | Additional Notes |
| 451.9125 | University only utilizes frequency for the assigned frequencies they have: | Romeoville | IL | LTR Standard | ** | ** | ||
| 451.91250 | Confirmed LCN N/A N/A | 0-03-102 | SECURITY CAMPUS SECURITY SECURITY | Romeoville | IL | LTR Standard | ** | ** |
| 452.26250 | Unconfirmed LCN 00 | 0-03-103 | UNID 3103 UNIDENTIFIED SCHOOLS | Romeoville | IL | LTR Standard | ** | ** |
| 452.73750 | Unconfirmed LCN 00 | 0-03-105 | CUST/MAINT CUSTODIAL/MAINTENANCE OPERATIONS SCHOOLS | Romeoville | IL | LTR Standard | ** | ** |
| 461.96250 | Unconfirmed LCN 00 | Romeoville | IL | LTR Standard | ** | ** | ||
| 0-03-105 | FACILITIES FACILITIES SCHOOLS | ** | ** | |||||
| 0-03-108 | RESID LIFE RESIDENTIAL LIFE SCHOOLS | ** | ** | |||||
| 0-03-119 | UNI 3119 UNIDENTIFIED SCHOOLS | ** | ** |