Descriptions of Traffic Tools——Ground Crew Communication Terminal
A passive noise reduction ground crew headset for airport ground crew to communicate with aircraft intercom systems. Momentary PTT switch and passive noise reduction rating (NRR): 24dB help provide clear, concise ground crew communications and reliable hearing protection during ground support operations.
Features of Traffic Tools——Ground Crew Communication Terminal
- Passive noise reduction function: Use passive noise reduction technology to minimize the impact of external noise on the user's hearing. It has a special sound-isolating earmuff that works by mechanically blocking sound waves from entering the ear.
- Noise-cancelling microphone: Amplified dynamic noise-cancelling microphone ensures clear and reliable sound.
- PTT converter: instant PTT switch, one-touch, convenient call
- Comfortable and Flexible: Comfortable shock-absorbing head pad and soft ear pads, overhead stainless steel adjustable band and 194° rotatable microphone arm provide great comfort and flexibility
Specifications of Traffic Tools——Ground Crew Communication Terminal
| Microphone |
|
| Sensitivity range |
-55dB±3dB |
| Impedance |
150Ω±20%ohm |
| Frequency |
100Hz-8kHz |
| Current consumption maximum |
Max:S00uA RL:2.2KΩ Vs=2.0V |
| Operating voltage range |
8-32V |
| Maximum voltage level |
110dB S.P.L |
| Speaker |
|
| Impedance |
600Ω |
| Sensitivity |
110±3dB |
| Resonance frequency |
680Hz+20% |
| Rated input power |
20mW |
| Maximum input power |
40mW |