First-In High Power Amplifier is placed in high noise level areas such as apparatus bays and outside yards. When station noise levels are high, the HPA automatically increases its speaker volume. Similarly, when station noise levels are low, the HPA softens its speaker volume, allowing personnel to comfortably hear the alert and dispatch audio.
| Make | Westnet |
|---|---|
| Manufacturer | Westnet, Inc. |
| Model code | First-In High Power Amplifier |
| Location | Exterior |
| Additional info |
First-In High Power Amplifier is placed in high noise level areas such as apparatus bays and outside yards. When station noise levels are high, the HPA automatically increases its speaker volume. Similarly, when station noise levels are low, the HPA softens its speaker volume, allowing personnel to comfortably hear the alert and dispatch audio. |