| Frequency | System | FleetID | User | City | State | Sys_Type | Notes | Additional Notes |
| 851.08750 | Primary (Nextel Replacements) | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** | ||
| 851.53750 | Primary (Nextel Replacements) | ****POLICE TALKGR**** | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** | |
| 851.7875 | Primary (Nextel Replacements) | 304 | PD DISP 1 POLICE: DISPATCH 1 - MT. PROSPECT/PROSPECT HEIGHTS LAW DISPATCH | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 851.83750 | Primary (Nextel Replacements) | 336 | PD DISP 2 POLICE: DISPATCH 2 - ELK GROVE VILLAGE/PALATINE LAW DISPATCH | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 852.31250 | Primary (Nextel Replacements) | 368 | PD DISP 3 POLICE: DISPATCH 3 - ARLINGTON HEIGHTS/BUFFALO GROVE LAW DISPATCH | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 853.07500 | Primary (Nextel Replacements) | 400 | PD DISP 4 POLICE: DISPATCH 4 - FUTURE USE LAW DISPATCH | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 853.75000 | Primary (Nextel Replacements) | 432 | PD ADMIN 1 POLICE: ADMINISTRATIVE 1 LAW TAC | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 866.08750 | Primary | 464 | PD ADMIN 2 POLICE: ADMINISTRATIVE 2 LAW TAC | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 866.53750 | Primary | 496 | PD ADMIN 3 POLICE: ADMINISTRATIVE 3 - BUFFALO GROVE CH "C" LAW TAC | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 866.78750 | Primary | 528 | PD INV 1 INVESTIGATIONS 1 LAW TAC | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 866.83750 | Primary | 560 | PD INV 2 INVESTIGATIONS 2 - PALATINE CH "2" LAW TAC | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 867.31250 | Primary | 592 | PD INV 3 INVESTIGATIONS 3 LAW TAC | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 868.07500 | Primary | 624 | PD PAT1 MTP2 PATROL 1: MT. PROSPECT CH "2" LAW TAC | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 868.75000 | Primary | 656 | PD PAT2 EGV- PATROL 2: ELK GROVE VILLAGE CH "C" LAW TAC | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 851.08750 | Possible Nextel Replacements | 688 | PD PAT3 AH2 PATROL 3: ARLINGTON HEIGHTS CH "2" LAW TAC | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 851.53750 | Possible Nextel Replacements | 720 | PD PAT4 PATROL 4: FUTURE USE LAW TAC | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 851.83750 | Possible Nextel Replacements | 752 | PD TAC 1 POLICE: TAC 1 LAW TAC | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 852.31250 | Possible Nextel Replacements | 784 | PD TAC 2 POLICE: TAC 2 LAW TAC | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 853.07500 | Possible Nextel Replacements | 816 | PD TAC 3 POLICE: TAC 3 LAW TAC | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** |
| 853.75000 | Possible Nextel Replacements | Arlington Heights | IL | Motorola Type II SmartZone | ** | ** | ||
| 848 | PD TAC 4 POLICE: TAC 4 - FUTURE USE LAW TAC | ** | ** | |||||
| 880 | MTP PD TUD F MOUNT PROSPECT - TRAFFIC UNIT DIVISION F-4 (FORMERLY TRAFFIC 1) LAW TAC | ** | ** | |||||
| 912 | TRAFFIC 2 TRAFFIC 2 LAW TAC | ** | ** | |||||
| 944 | TRAFFIC 3 TRAFFIC 3 LAW TAC | ** | ** | |||||
| 976 | TRAFFIC 4 TRAFFIC 4 - FUTURE USE LAW TAC | ** | ** | |||||
| 1232 | PD ADM 4 POLICE: ADMINISTRATION 4 - FUTURE USE LAW TAC | ** | ** | |||||
| 1264 | PD INV 4 POLICE: INVESTIGATIONS 4 - FUTURE USE LAW TAC | ** | ** | |||||
| 57680 | POLICE M/A 1 POLICE: MUTUAL AID 1 LAW TAC | ** | ** | |||||
| 57712 | POLICE M/A 2 POLICE: MUTUAL AID 2 LAW TAC | ** | ** | |||||
| ** | ** | |||||||
| ****FIRE TALKGR**** | ** | ** | ||||||
| 1456 | FIRE DISPATC FIRE DISPATCH: ELK GROVE VILLAGE/PALATINE/PALATINE RURAL FIRE DISPATCH | ** | ** | |||||
| 1488 | FIRE DISPATC FIRE DISPATCH: ARLINGTON HEIGHTS/BUFFALO GROVE/MOUNT PROSPECT FIRE DISPATCH | ** | ** | |||||
| 1520 | FIRE DISPATC FIRE DISPATCH: FUTURE USE FIRE DISPATCH | ** | ** | |||||
| 1552 | AH FIREGROUN ARLINGTON HEIGHTS FIREGROUND FIRE-TAC | ** | ** | |||||
| 1584 | BG FIREGROUN BUFFALO GROVE FIREGROUND FIRE-TAC | ** | ** | |||||
| 1616 | EGV FIREGROU ELK GROVE VILLAGE FIREGROUND FIRE-TAC | ** | ** | |||||
| 1648 | MTP FIREGROU MT. PROSPECT FIREGROUND FIRE-TAC | ** | ** | |||||
| 1680 | PAL FIREGROU PALATINE FIREGROUND FIRE-TAC | ** | ** | |||||
| 1712 | PAL RURAL FG PALATINE RURAL FIREGROUND FIRE-TAC | ** | ** | |||||
| 1776 | FIRE ADMIN FIRE: ADMINISTRATIVE FIRE-TAC | ** | ** | |||||
| 1808 | FIRE INS/PIN FIRE: INSPECTORS/INVESTIGATORS FIRE-TAC | ** | ** | |||||
| 1840 | FIREGROUND 1 FIREGROUND 1 FIRE-TAC | ** | ** | |||||
| 1872 | FIREGROUND 2 FIREGROUND 2 FIRE-TAC | ** | ** | |||||
| 1904 | FIREGROUND 3 FIREGROUND 3 FIRE-TAC | ** | ** | |||||
| 1936 | FIRE TRAIN 1 FIRE: TRAINING 1 FIRE-TAC | ** | ** | |||||
| 1968 | FIRE TRAIN 2 FIRE: TRAINING 2 FIRE-TAC | ** | ** | |||||
| 2000 | FIRE TRAIN 3 FIRE: TRAINING 3 FIRE-TAC | ** | ** | |||||
| 57616 | FIRE M/A 1 FIRE: MUTUAL AID 1 FIRE-TAC | ** | ** | |||||
| 57648 | FIRE M/A 2 FIRE: MUTUAL AID 2 FIRE-TAC | ** | ** | |||||
| ** | ** | |||||||
| ****LOCAL/MUNICIPAL TALKGR**** | ** | ** | ||||||
| 1008 | AH CITY ARLINGTON HEIGHTS CITY MULTI-TAC | ** | ** | |||||
| 1040 | BG CITY 1B BUFFALO GROVE CITY 1B (ALSO USED BY POLICE FOR TRAINING EXERCISE) MULTI-TAC | ** | ** | |||||
| 1104 | MTP CITY MT. PROSPECT CITY MULTI-TAC | ** | ** | |||||
| 1136 | PAL CITY PALATINE CITY MULTI-TAC | ** | ** | |||||
| 1168 | PH CITY F2 PROSPECT HEIGHTS CITY - PROSPECT HEIGHTS "F2" MULTI-TAC | ** | ** | |||||
| 1200 | CITY 7 CITY 7 - FUTURE USE MULTI-TAC | ** | ** | |||||
| ** | ** | |||||||
| ****ELK GROVE VILLAGE TALKGR**** | ** | ** | ||||||
| 57360 | EGV PW ADM PUBLIC WORKS: ADMINISTRATIVE PUBLIC WORKS | ** | ** | |||||
| 57392 | EGV PW ENG PUBLIC WORKS: ENGINEERING PUBLIC WORKS | ** | ** | |||||
| 57424 | EGV PW BLDG PUBLIC WORKS: BUILDING PUBLIC WORKS | ** | ** | |||||
| 57456 | EGV PW STR PUBLIC WORKS: STREETS PUBLIC WORKS | ** | ** | |||||
| 57488 | EGB PW WATER PUBLIC WORKS: WATER PUBLIC WORKS | ** | ** | |||||
| 57520 | EGV CITY CITY (ANALOG) MULTI-TAC | ** | ** | |||||
| ** | ** | |||||||
| ****ALL TALKGR**** | ** | ** | ||||||
| 5768 | PD MUT AID 1 POLICE: MUTUAL AID 1 (USED BY ARLINGTON HTS PD FOR SURVELLIANCE) INTEROP | ** | ** | |||||
| 57552 | SYSTEMWIDE 1 SYSTEMWIDE 1 INTEROP | ** | ** | |||||
| 57584 | SYSTEMWIDE 2 SYSTEMWIDE 2 INTEROP | ** | ** | |||||
| ** | ** | |||||||
| ****NWCD ADMINSTRATIVE TALKGR**** | ** | ** | ||||||
| 1072 | NWCD TECH NWCD: TECHNICANS OTHER | ** | ** | |||||
| 1296 | NWDC ENG NWCD: ENGINEERING OTHER | ** | ** | |||||
| 1328 | NWDD ADMIN NWCD: ADMINISTRATIVE OTHER | ** | ** | |||||
| 57744 | NWCD TEST NWCD: TEST OTHER | ** | ** |