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Introduction
QDC SmartEar is developed by Shenzhen Qili Technology Development Co.Ltd., it is an intelligent system integrated the function of noise reduction, hearing protection and intelligent hearing protection.
QDC SmartEar is designed specifically for needs of soldiers when they perform their duty in harsh or dangerous environment on the battlefield, fully meet their requirements of communications, contacts and hearing protection.
QDC SmartEar adopts advanced ergonomic design and use environmentally friendly materials, suitable for long-term use without any discomfort SmartEar adpots advanced DSP technology, automatically monitors environment sound and implements signal process, it provide the operator with full adaptive high-level hearing protection in various noise
environments without compromising communication or situation awareness.
SmartEar is an intelligent ear.
Features
Natural directional hearing and digital talk-through capability
Passive Noise Reduction (PNR)
Active Noise Reduction(ANR)
Amplify surrounding sounds when desired (bionic ear)
Automatic adaptive high-level hearing protection
Protection from hazardous impulse and continuous noise without
compromising the ability to hear and communicate
Prevents temporary and permanent hearing loss
Noise protected voice pick-up
Automatic Calibration and leakage control
Monitor and communicate on two radios/intercoms simultaneously
VOX Function
Wireless PTT Function
Finger PTT
Compatible with all kinds of helmets, gas masks, respirators,
Compatibility with a variety of communication systems
Simple to operate, small, lightweight
Software Programmable
Features System Components
and Pictures

Technical Specifications
| Operation Temperature |
-30 ℃ to 50 ℃ |
| Storage Temperature |
-40 ℃ to 80 ℃ |
| Signal Processing Mode |
DSP |
| PNR+ANR |
>30dB |
| Power Supply Mode |
Form Radio or Battery |
| Waterproof |
IP67 |
| Complies with |
MIL-STD-810F |
| Complies with |
FCC/IC/CE |
Wireless PTT Function
| Operation Principle |
NFMI |
| Modulated |
2-level CPFSK |
| Operation Range |
60-150cm |
| Battery Type |
CR2050 |
| Battery Operation Time |
6 months |
| Stand-by Current |
< 200uA |
| Operation Current |
< 6mA |
| Low Battery Warning |
LED |
| Waterproof |
IP67 |
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