| Frequency | System | FleetID | User | City | State | Sys_Type | Notes | Additional Notes |
| 864.18750 | Primary | Naperville | IL | Motorola Type II Smartnet | ** | ** | ||
| 866.23750 | Primary | ****NAPERVILLE POLICE TALKGR**** | Naperville | IL | Motorola Type II Smartnet | ** | ** | |
| 866.62500 | Primary | 80 | POLICE 1 POLICE 1 [PD-1] LAW DISPATCH | Naperville | IL | Motorola Type II Smartnet | ** | ** |
| 867.03750 | Primary | 112 | POLICE 2 POLICE 2 [PD-2] LAW DISPATCH | Naperville | IL | Motorola Type II Smartnet | ** | ** |
| 867.20000 | Primary | 144 | POLICE INQRY INQUIRY [PD-INQ] LAW TAC | Naperville | IL | Motorola Type II Smartnet | ** | ** |
| 867.57500 | Primary | 176 | POLICE TAC POLICE TAC [PD TAC] LAW TAC | Naperville | IL | Motorola Type II Smartnet | ** | ** |
| 867.82500 | Primary | 208 | PD INV/DET INVESTIGATIONS/DETECTIVES [PD-INVEST] LAW TAC | Naperville | IL | Motorola Type II Smartnet | ** | ** |
| 868.15000 | Primary | 240 | POLICE ADMIN ADMINSTRATION [PD-ADM] LAW TAC | Naperville | IL | Motorola Type II Smartnet | ** | ** |
| 868.65000 | Primary | Naperville | IL | Motorola Type II Smartnet | ** | ** | ||
| 272 | POLICE DET 1 DETAIL 1 [PD-DETAIL 1] LAW TAC | ** | ** | |||||
| 304 | POLICE DET 2 DETAIL 2 [PD-DETAIL 2] (COMM WATCH UNITS?) LAW TAC | ** | ** | |||||
| ** | ** | |||||||
| ****NAPERVILLE FIRE TALKGR**** | ** | ** | ||||||
| 1680 | FIRE DISP DISPATCH FIRE DISPATCH | ** | ** | |||||
| 1712 | FIREGROUND FIREGROUND FIRE-TAC | ** | ** | |||||
| 1744 | ADMIN ADMIN FIRE-TAC | ** | ** | |||||
| 3632 | TRAINING TRAINING FIRE-TAC | ** | ** | |||||
| ** | ** | |||||||
| ****NAPERVILLE CITY SERVICES TALKGR**** | ** | ** | ||||||
| 3280 | ELECTRIC ELECTRIC DEPARTMENT PUBLIC WORKS | ** | ** | |||||
| 3312 | ROADS/STREET ROADS/STREET DEPARTMENT PUBLIC WORKS | ** | ** | |||||
| 3344 | WATER WATER DEPARTMENT PUBLIC WORKS | ** | ** | |||||
| 3376 | ESDA 2 EMERGENCY SERVICES & DISASTER AGENCY 2 EMERGENCY OPS | ** | ** | |||||
| 3408 | ESDA 2 EMERGENCY SERVICES & DISASTER AGENCY 1 EMERGENCY OPS | ** | ** | |||||
| 3472 | BLDNG MAINT1 BUILDING MAINTENANCE PUBLIC WORKS | ** | ** | |||||
| 3504 | BLDNG MAINT2 BUILDING MAINTENANCE PUBLIC WORKS | ** | ** | |||||
| 3536 | RADIO TECHS MOTOROLA TECHS BUSINESS | ** | ** | |||||
| 3600 | ZONING BUILDING INSPECTORS/DEPARTMENT OF COMMERCIAL DEVELOPMENT (DCD) PUBLIC WORKS | ** | ** |