| Chicago Office of Emergency Management and Communications (Cook County) -- Motorola Type II | ||||||||
| Frequency | Licensee or Location | Talkgroup Code | Talkgroup Name | City | State | System Type | Notes | Additional Notes |
| 866.0500 | Chicago OEMC | 32 | RADIO SVC | Chicago | IL | Motorola II | Radio maintenance | Emergency |
| 867.3500 | Chicago OEMC | 64 | FIELD OPS | Chicago | IL | Motorola II | Field operations | Emergency |
| 867.6750 | Chicago OEMC | 128 | FIRE ALARM | Chicago | IL | Motorola II | CFD fire alarm maintenance | Emergency |
| 868.0500 | Chicago OEMC | 784 | ALT-1 | Chicago | IL | Motorola II | Operations alternate | Emergency |
| 866.6500 | Chicago OEMC | 800 | OEMC | Chicago | IL | Motorola II | OEMC operations | Emergency |
| 868.1625 | Chicago OEMC | 832 | NET 1 | Chicago | IL | Motorola II | Operations network | Emergency |
| 868.6375 | Chicago OEMC | 1280 | ALT-2 | Chicago | IL | Motorola II | Operations alternate | Emergency |
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