Police Radio Noise -

"Central, Unit 12 on scene. Scene is secure. Fire department is rolling. We have one vehicle off the roadway."

Public Safety Communications Analysis Unit References: FCC Part 90, NPSTC (National Public Safety Telecommunications Council) guidelines, TIA TSB-88 (noise floor standards), and field reports from major U.S. police departments. police radio noise

| Technology | Noise Reduction Benefit | |------------|-------------------------| | P25 Phase 2 (TDMA) | Lower noise floor vs. analog | | Acoustic echo cancellation | Reduces in-car feedback | | Active noise-canceling speaker mics | Improves pickup in high SPL | | Fiber optic links to dispatch | Eliminates ground loop hum | "Central, Unit 12 on scene