| Frequency | System | FleetID | User | City | State | Sys_Type | Notes | Additional Notes |
| 856.21250 | Primary | 100-01 | METER MAINTENANCE? PUBLIC WORKS | New Britain | CT | Motorola Type I | ** | ** |
| 857.21250 | Primary | 100-02 | WATER DEPT PUBLIC WORKS | New Britain | CT | Motorola Type I | ** | ** |
| 858.21250 | Primary | 100-03 | WATER DEPT PUBLIC WORKS | New Britain | CT | Motorola Type I | ** | ** |
| 859.21250 | Primary | 100-06 | PARKS AND REC PUBLIC WORKS | New Britain | CT | Motorola Type I | ** | ** |
| 860.21250 | Primary | New Britain | CT | Motorola Type I | ** | ** | ||
| 101-02 | CITY YARD PUBLIC WORKS | ** | ** | |||||
| 101-08 | CITY YARD PUBLIC WORKS | ** | ** | |||||
| 500-01 | EMS DISPATCH EMS DISPATCH | ** | ** | |||||
| ** | ** | |||||||
| ****EMS TALKGR**** | ** | ** | ||||||
| 500-05 | EMS EMS-TAC | ** | ** | |||||
| 500-04 | EMS P/S EMERGENCY EMS-TAC | ** | ** | |||||
| 000-01 | FIRE DISPATCH FIRE DISPATCH | ** | ** | |||||
| ** | ** | |||||||
| ****FIRE TALKGR**** | ** | ** | ||||||
| 000-02 | FIRE BUREAU TO BECOME FIRE 2 FIRE-TAC | ** | ** | |||||
| 000-03 | FIRE ADMINISTRATION (NEVER USED) FIRE-TAC | ** | ** | |||||
| 000-04 | ****POLICE TALKGR**** | ** | ** | |||||
| 600-02 | DETECTIVES/SPECIAL EVENTS LAW TAC | ** | ** | |||||
| 600-01 | DISPATCH LAW DISPATCH | ** | ** | |||||
| 600-03 | POLICE TACTICAL LAW TAC | ** | ** | |||||
| 600-04 | TRAFFIC LAW TAC | ** | ** | |||||
| 600-05 | DISPATCH LAW DISPATCH | ** | ** | |||||
| 600-08 | DETECTIVES LAW TAC | ** | ** | |||||
| 600-09 | YOUTH DETECTIVES LAW TAC | ** | ** | |||||
| 600-13 | NARCOTICS LAW TAC | ** | ** | |||||
| 600-14 | NARCOTICS LAW TAC | ** | ** | |||||
| 601-00 | TRAFFIC LAW TAC | ** | ** | |||||
| 601-01 | TRAFFIC LAW TAC | ** | ** | |||||
| 601-05 | TRAFFIC 3 LAW TAC | ** | ** | |||||
| ** | ** | |||||||
| B0 = S4, B1 - S4, B2 = S4, B3 = S4, B4 = S4, B5 = S4, B6 = S12, B7 = S12 | ** | ** |